Home / 3,240.68-4,861.26-932.36

Finding the Fourth Proportional to 3,240.68, 4,861.26 and 932.36

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Solution

The fourth proportional to 3,240.68, 4,861.26 and 932.36 is: 1,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.68 : 4,861.26 = 932.36 : x
  2. Step 2: Convert to fraction form
    3,240.68/4,861.26 = 932.36/x
  3. Step 3: Cross multiply
    3,240.68x = 4,861.26 × 932.36
  4. Step 4: Simplify right side
    3,240.68x = 4,532,444.37
  5. Step 5: Solve for x
    x = 4,532,444.37/3,240.68
  6. Step 6: Final answer
    x = 1,398.61

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1.5x scale

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.