Home / 2,349.27-3,239.78-1,753.20

Finding the Fourth Proportional to 2,349.27, 3,239.78 and 1,753.20

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Solution

The fourth proportional to 2,349.27, 3,239.78 and 1,753.20 is: 2,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.27 : 3,239.78 = 1,753.20 : x
  2. Step 2: Convert to fraction form
    2,349.27/3,239.78 = 1,753.20/x
  3. Step 3: Cross multiply
    2,349.27x = 3,239.78 × 1,753.20
  4. Step 4: Simplify right side
    2,349.27x = 5,679,982.30
  5. Step 5: Solve for x
    x = 5,679,982.30/2,349.27
  6. Step 6: Final answer
    x = 2,417.76

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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.