Home / 3,665.04-5,497.60-2,931.20

Finding the Fourth Proportional to 3,665.04, 5,497.60 and 2,931.20

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Solution

The fourth proportional to 3,665.04, 5,497.60 and 2,931.20 is: 4,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.04 : 5,497.60 = 2,931.20 : x
  2. Step 2: Convert to fraction form
    3,665.04/5,497.60 = 2,931.20/x
  3. Step 3: Cross multiply
    3,665.04x = 5,497.60 × 2,931.20
  4. Step 4: Simplify right side
    3,665.04x = 16,114,565.12
  5. Step 5: Solve for x
    x = 16,114,565.12/3,665.04
  6. Step 6: Final answer
    x = 4,396.83

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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.