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Finding the Fourth Proportional to 2,352.92, 3,249.12 and 1,797.20

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Solution

The fourth proportional to 2,352.92, 3,249.12 and 1,797.20 is: 2,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.92 : 3,249.12 = 1,797.20 : x
  2. Step 2: Convert to fraction form
    2,352.92/3,249.12 = 1,797.20/x
  3. Step 3: Cross multiply
    2,352.92x = 3,249.12 × 1,797.20
  4. Step 4: Simplify right side
    2,352.92x = 5,839,318.46
  5. Step 5: Solve for x
    x = 5,839,318.46/2,352.92
  6. Step 6: Final answer
    x = 2,481.73

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Half scale
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Double scale
Find fourth proportional to 2,353.92, 3,250.50 and 1,798.20
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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.