Home / 3,149.19-4,723.10-1,299.82

Finding the Fourth Proportional to 3,149.19, 4,723.10 and 1,299.82

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Solution

The fourth proportional to 3,149.19, 4,723.10 and 1,299.82 is: 1,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.19 : 4,723.10 = 1,299.82 : x
  2. Step 2: Convert to fraction form
    3,149.19/4,723.10 = 1,299.82/x
  3. Step 3: Cross multiply
    3,149.19x = 4,723.10 × 1,299.82
  4. Step 4: Simplify right side
    3,149.19x = 6,139,173.34
  5. Step 5: Solve for x
    x = 6,139,173.34/3,149.19
  6. Step 6: Final answer
    x = 1,949.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.