Home / 3,721.52-5,582.28-1,767.80

Finding the Fourth Proportional to 3,721.52, 5,582.28 and 1,767.80

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Solution

The fourth proportional to 3,721.52, 5,582.28 and 1,767.80 is: 2,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.52 : 5,582.28 = 1,767.80 : x
  2. Step 2: Convert to fraction form
    3,721.52/5,582.28 = 1,767.80/x
  3. Step 3: Cross multiply
    3,721.52x = 5,582.28 × 1,767.80
  4. Step 4: Simplify right side
    3,721.52x = 9,868,345.75
  5. Step 5: Solve for x
    x = 9,868,345.75/3,721.52
  6. Step 6: Final answer
    x = 2,651.70

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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.