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Finding the Fourth Proportional to 3,393.09, 4,680.18 and 1,995.84

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Solution

The fourth proportional to 3,393.09, 4,680.18 and 1,995.84 is: 2,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.09 : 4,680.18 = 1,995.84 : x
  2. Step 2: Convert to fraction form
    3,393.09/4,680.18 = 1,995.84/x
  3. Step 3: Cross multiply
    3,393.09x = 4,680.18 × 1,995.84
  4. Step 4: Simplify right side
    3,393.09x = 9,340,890.45
  5. Step 5: Solve for x
    x = 9,340,890.45/3,393.09
  6. Step 6: Final answer
    x = 2,752.92

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,394.09, 4,681.56 and 1,996.84
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.