Home / 3,772.45-5,657.32-1,306.60

Finding the Fourth Proportional to 3,772.45, 5,657.32 and 1,306.60

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Solution

The fourth proportional to 3,772.45, 5,657.32 and 1,306.60 is: 1,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.45 : 5,657.32 = 1,306.60 : x
  2. Step 2: Convert to fraction form
    3,772.45/5,657.32 = 1,306.60/x
  3. Step 3: Cross multiply
    3,772.45x = 5,657.32 × 1,306.60
  4. Step 4: Simplify right side
    3,772.45x = 7,391,854.31
  5. Step 5: Solve for x
    x = 7,391,854.31/3,772.45
  6. Step 6: Final answer
    x = 1,959.43

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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.