Home / 3,748.24-5,622.36-1,151.20

Finding the Fourth Proportional to 3,748.24, 5,622.36 and 1,151.20

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Solution

The fourth proportional to 3,748.24, 5,622.36 and 1,151.20 is: 1,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.24 : 5,622.36 = 1,151.20 : x
  2. Step 2: Convert to fraction form
    3,748.24/5,622.36 = 1,151.20/x
  3. Step 3: Cross multiply
    3,748.24x = 5,622.36 × 1,151.20
  4. Step 4: Simplify right side
    3,748.24x = 6,472,460.83
  5. Step 5: Solve for x
    x = 6,472,460.83/3,748.24
  6. Step 6: Final answer
    x = 1,726.80

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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.