Home / 1,434.29-2,151.44-1,177.25

Finding the Fourth Proportional to 1,434.29, 2,151.44 and 1,177.25

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Solution

The fourth proportional to 1,434.29, 2,151.44 and 1,177.25 is: 1,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.29 : 2,151.44 = 1,177.25 : x
  2. Step 2: Convert to fraction form
    1,434.29/2,151.44 = 1,177.25/x
  3. Step 3: Cross multiply
    1,434.29x = 2,151.44 × 1,177.25
  4. Step 4: Simplify right side
    1,434.29x = 2,532,776.85
  5. Step 5: Solve for x
    x = 2,532,776.85/1,434.29
  6. Step 6: Final answer
    x = 1,765.88

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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.