Home / 3,240.27-4,468.23-2,176.88

Finding the Fourth Proportional to 3,240.27, 4,468.23 and 2,176.88

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Solution

The fourth proportional to 3,240.27, 4,468.23 and 2,176.88 is: 3,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.27 : 4,468.23 = 2,176.88 : x
  2. Step 2: Convert to fraction form
    3,240.27/4,468.23 = 2,176.88/x
  3. Step 3: Cross multiply
    3,240.27x = 4,468.23 × 2,176.88
  4. Step 4: Simplify right side
    3,240.27x = 9,726,778.18
  5. Step 5: Solve for x
    x = 9,726,778.18/3,240.27
  6. Step 6: Final answer
    x = 3,001.84

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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.