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Finding the Fourth Proportional to 2,995.46, 4,133.46 and 1,934.77

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Solution

The fourth proportional to 2,995.46, 4,133.46 and 1,934.77 is: 2,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.46 : 4,133.46 = 1,934.77 : x
  2. Step 2: Convert to fraction form
    2,995.46/4,133.46 = 1,934.77/x
  3. Step 3: Cross multiply
    2,995.46x = 4,133.46 × 1,934.77
  4. Step 4: Simplify right side
    2,995.46x = 7,997,273.74
  5. Step 5: Solve for x
    x = 7,997,273.74/2,995.46
  6. Step 6: Final answer
    x = 2,669.80

Related Problems

Find fourth proportional to 1,497.73, 2,066.73 and 967.38
Half scale
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Double scale
Find fourth proportional to 2,996.46, 4,134.84 and 1,935.77
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.