Home / 3,686.42-5,088.57-3,292.76

Finding the Fourth Proportional to 3,686.42, 5,088.57 and 3,292.76

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Solution

The fourth proportional to 3,686.42, 5,088.57 and 3,292.76 is: 4,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.42 : 5,088.57 = 3,292.76 : x
  2. Step 2: Convert to fraction form
    3,686.42/5,088.57 = 3,292.76/x
  3. Step 3: Cross multiply
    3,686.42x = 5,088.57 × 3,292.76
  4. Step 4: Simplify right side
    3,686.42x = 16,755,439.75
  5. Step 5: Solve for x
    x = 16,755,439.75/3,686.42
  6. Step 6: Final answer
    x = 4,545.18

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Half scale
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Double scale
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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.