Home / 3,748.48-5,622.72-1,440.52

Finding the Fourth Proportional to 3,748.48, 5,622.72 and 1,440.52

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Solution

The fourth proportional to 3,748.48, 5,622.72 and 1,440.52 is: 2,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.48 : 5,622.72 = 1,440.52 : x
  2. Step 2: Convert to fraction form
    3,748.48/5,622.72 = 1,440.52/x
  3. Step 3: Cross multiply
    3,748.48x = 5,622.72 × 1,440.52
  4. Step 4: Simplify right side
    3,748.48x = 8,099,640.61
  5. Step 5: Solve for x
    x = 8,099,640.61/3,748.48
  6. Step 6: Final answer
    x = 2,160.78

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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.