Home / 3,532.38-4,867.22-2,900.78

Finding the Fourth Proportional to 3,532.38, 4,867.22 and 2,900.78

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Solution

The fourth proportional to 3,532.38, 4,867.22 and 2,900.78 is: 3,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.38 : 4,867.22 = 2,900.78 : x
  2. Step 2: Convert to fraction form
    3,532.38/4,867.22 = 2,900.78/x
  3. Step 3: Cross multiply
    3,532.38x = 4,867.22 × 2,900.78
  4. Step 4: Simplify right side
    3,532.38x = 14,118,734.43
  5. Step 5: Solve for x
    x = 14,118,734.43/3,532.38
  6. Step 6: Final answer
    x = 3,996.95

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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.