Home / 1,447.24-2,165.38-1,359.76

Finding the Fourth Proportional to 1,447.24, 2,165.38 and 1,359.76

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Solution

The fourth proportional to 1,447.24, 2,165.38 and 1,359.76 is: 2,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.24 : 2,165.38 = 1,359.76 : x
  2. Step 2: Convert to fraction form
    1,447.24/2,165.38 = 1,359.76/x
  3. Step 3: Cross multiply
    1,447.24x = 2,165.38 × 1,359.76
  4. Step 4: Simplify right side
    1,447.24x = 2,944,397.11
  5. Step 5: Solve for x
    x = 2,944,397.11/1,447.24
  6. Step 6: Final answer
    x = 2,034.49

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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.