Home / 2,974.59-4,462.63-1,125.70

Finding the Fourth Proportional to 2,974.59, 4,462.63 and 1,125.70

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Solution

The fourth proportional to 2,974.59, 4,462.63 and 1,125.70 is: 1,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.59 : 4,462.63 = 1,125.70 : x
  2. Step 2: Convert to fraction form
    2,974.59/4,462.63 = 1,125.70/x
  3. Step 3: Cross multiply
    2,974.59x = 4,462.63 × 1,125.70
  4. Step 4: Simplify right side
    2,974.59x = 5,023,568.62
  5. Step 5: Solve for x
    x = 5,023,568.62/2,974.59
  6. Step 6: Final answer
    x = 1,688.83

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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.