Home / 1,742.11-2,404.05-1,043.35

Finding the Fourth Proportional to 1,742.11, 2,404.05 and 1,043.35

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Solution

The fourth proportional to 1,742.11, 2,404.05 and 1,043.35 is: 1,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.11 : 2,404.05 = 1,043.35 : x
  2. Step 2: Convert to fraction form
    1,742.11/2,404.05 = 1,043.35/x
  3. Step 3: Cross multiply
    1,742.11x = 2,404.05 × 1,043.35
  4. Step 4: Simplify right side
    1,742.11x = 2,508,265.57
  5. Step 5: Solve for x
    x = 2,508,265.57/1,742.11
  6. Step 6: Final answer
    x = 1,439.79

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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.