Home / 1,747.53-2,415.05-1,432.29

Finding the Fourth Proportional to 1,747.53, 2,415.05 and 1,432.29

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Solution

The fourth proportional to 1,747.53, 2,415.05 and 1,432.29 is: 1,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.53 : 2,415.05 = 1,432.29 : x
  2. Step 2: Convert to fraction form
    1,747.53/2,415.05 = 1,432.29/x
  3. Step 3: Cross multiply
    1,747.53x = 2,415.05 × 1,432.29
  4. Step 4: Simplify right side
    1,747.53x = 3,459,044.80
  5. Step 5: Solve for x
    x = 3,459,044.80/1,747.53
  6. Step 6: Final answer
    x = 1,979.39

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1.5x scale

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.