Home / 3,729.23-5,147.49-2,402.92

Finding the Fourth Proportional to 3,729.23, 5,147.49 and 2,402.92

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Solution

The fourth proportional to 3,729.23, 5,147.49 and 2,402.92 is: 3,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.23 : 5,147.49 = 2,402.92 : x
  2. Step 2: Convert to fraction form
    3,729.23/5,147.49 = 2,402.92/x
  3. Step 3: Cross multiply
    3,729.23x = 5,147.49 × 2,402.92
  4. Step 4: Simplify right side
    3,729.23x = 12,369,006.67
  5. Step 5: Solve for x
    x = 12,369,006.67/3,729.23
  6. Step 6: Final answer
    x = 3,316.77

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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.