Home / 1,742.29-2,399.92-1,627.47

Finding the Fourth Proportional to 1,742.29, 2,399.92 and 1,627.47

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Solution

The fourth proportional to 1,742.29, 2,399.92 and 1,627.47 is: 2,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.29 : 2,399.92 = 1,627.47 : x
  2. Step 2: Convert to fraction form
    1,742.29/2,399.92 = 1,627.47/x
  3. Step 3: Cross multiply
    1,742.29x = 2,399.92 × 1,627.47
  4. Step 4: Simplify right side
    1,742.29x = 3,905,793.73
  5. Step 5: Solve for x
    x = 3,905,793.73/1,742.29
  6. Step 6: Final answer
    x = 2,241.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.