Home / 3,747.76-5,622.24-1,282

Finding the Fourth Proportional to 3,747.76, 5,622.24 and 1,282

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Solution

The fourth proportional to 3,747.76, 5,622.24 and 1,282 is: 1,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.76 : 5,622.24 = 1,282 : x
  2. Step 2: Convert to fraction form
    3,747.76/5,622.24 = 1,282/x
  3. Step 3: Cross multiply
    3,747.76x = 5,622.24 × 1,282
  4. Step 4: Simplify right side
    3,747.76x = 7,207,711.68
  5. Step 5: Solve for x
    x = 7,207,711.68/3,747.76
  6. Step 6: Final answer
    x = 1,923.21

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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.