Home / 3,590.91-5,387.75-1,251.17

Finding the Fourth Proportional to 3,590.91, 5,387.75 and 1,251.17

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Solution

The fourth proportional to 3,590.91, 5,387.75 and 1,251.17 is: 1,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.91 : 5,387.75 = 1,251.17 : x
  2. Step 2: Convert to fraction form
    3,590.91/5,387.75 = 1,251.17/x
  3. Step 3: Cross multiply
    3,590.91x = 5,387.75 × 1,251.17
  4. Step 4: Simplify right side
    3,590.91x = 6,740,957.97
  5. Step 5: Solve for x
    x = 6,740,957.97/3,590.91
  6. Step 6: Final answer
    x = 1,877.23

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1.5x scale

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.