Home / 3,147.26-4,343.20-1,750

Finding the Fourth Proportional to 3,147.26, 4,343.20 and 1,750

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Solution

The fourth proportional to 3,147.26, 4,343.20 and 1,750 is: 2,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.26 : 4,343.20 = 1,750 : x
  2. Step 2: Convert to fraction form
    3,147.26/4,343.20 = 1,750/x
  3. Step 3: Cross multiply
    3,147.26x = 4,343.20 × 1,750
  4. Step 4: Simplify right side
    3,147.26x = 7,600,600
  5. Step 5: Solve for x
    x = 7,600,600/3,147.26
  6. Step 6: Final answer
    x = 2,414.99

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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.