Home / 1,747.28-2,618.40-1,335.08

Finding the Fourth Proportional to 1,747.28, 2,618.40 and 1,335.08

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Solution

The fourth proportional to 1,747.28, 2,618.40 and 1,335.08 is: 2,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.28 : 2,618.40 = 1,335.08 : x
  2. Step 2: Convert to fraction form
    1,747.28/2,618.40 = 1,335.08/x
  3. Step 3: Cross multiply
    1,747.28x = 2,618.40 × 1,335.08
  4. Step 4: Simplify right side
    1,747.28x = 3,495,773.47
  5. Step 5: Solve for x
    x = 3,495,773.47/1,747.28
  6. Step 6: Final answer
    x = 2,000.69

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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.