Home / 3,184.08-4,772.28-1,129.68

Finding the Fourth Proportional to 3,184.08, 4,772.28 and 1,129.68

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Solution

The fourth proportional to 3,184.08, 4,772.28 and 1,129.68 is: 1,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.08 : 4,772.28 = 1,129.68 : x
  2. Step 2: Convert to fraction form
    3,184.08/4,772.28 = 1,129.68/x
  3. Step 3: Cross multiply
    3,184.08x = 4,772.28 × 1,129.68
  4. Step 4: Simplify right side
    3,184.08x = 5,391,149.27
  5. Step 5: Solve for x
    x = 5,391,149.27/3,184.08
  6. Step 6: Final answer
    x = 1,693.16

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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.