Home / 3,972.74-5,960.67-1,508.21

Finding the Fourth Proportional to 3,972.74, 5,960.67 and 1,508.21

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Solution

The fourth proportional to 3,972.74, 5,960.67 and 1,508.21 is: 2,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.74 : 5,960.67 = 1,508.21 : x
  2. Step 2: Convert to fraction form
    3,972.74/5,960.67 = 1,508.21/x
  3. Step 3: Cross multiply
    3,972.74x = 5,960.67 × 1,508.21
  4. Step 4: Simplify right side
    3,972.74x = 8,989,962.66
  5. Step 5: Solve for x
    x = 8,989,962.66/3,972.74
  6. Step 6: Final answer
    x = 2,262.91

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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.