Home / 3,158.76-4,738.68-1,427.52

Finding the Fourth Proportional to 3,158.76, 4,738.68 and 1,427.52

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Solution

The fourth proportional to 3,158.76, 4,738.68 and 1,427.52 is: 2,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.76 : 4,738.68 = 1,427.52 : x
  2. Step 2: Convert to fraction form
    3,158.76/4,738.68 = 1,427.52/x
  3. Step 3: Cross multiply
    3,158.76x = 4,738.68 × 1,427.52
  4. Step 4: Simplify right side
    3,158.76x = 6,764,560.47
  5. Step 5: Solve for x
    x = 6,764,560.47/3,158.76
  6. Step 6: Final answer
    x = 2,141.52

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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.