Home / 3,710.64-5,569.76-2,897.92

Finding the Fourth Proportional to 3,710.64, 5,569.76 and 2,897.92

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Solution

The fourth proportional to 3,710.64, 5,569.76 and 2,897.92 is: 4,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.64 : 5,569.76 = 2,897.92 : x
  2. Step 2: Convert to fraction form
    3,710.64/5,569.76 = 2,897.92/x
  3. Step 3: Cross multiply
    3,710.64x = 5,569.76 × 2,897.92
  4. Step 4: Simplify right side
    3,710.64x = 16,140,718.90
  5. Step 5: Solve for x
    x = 16,140,718.90/3,710.64
  6. Step 6: Final answer
    x = 4,349.85

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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.