Home / 3,532.60-4,874.92-2,187.86

Finding the Fourth Proportional to 3,532.60, 4,874.92 and 2,187.86

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Solution

The fourth proportional to 3,532.60, 4,874.92 and 2,187.86 is: 3,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.60 : 4,874.92 = 2,187.86 : x
  2. Step 2: Convert to fraction form
    3,532.60/4,874.92 = 2,187.86/x
  3. Step 3: Cross multiply
    3,532.60x = 4,874.92 × 2,187.86
  4. Step 4: Simplify right side
    3,532.60x = 10,665,642.47
  5. Step 5: Solve for x
    x = 10,665,642.47/3,532.60
  6. Step 6: Final answer
    x = 3,019.20

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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.