Home / 3,214.38-4,437.92-2,877.69

Finding the Fourth Proportional to 3,214.38, 4,437.92 and 2,877.69

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Solution

The fourth proportional to 3,214.38, 4,437.92 and 2,877.69 is: 3,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.38 : 4,437.92 = 2,877.69 : x
  2. Step 2: Convert to fraction form
    3,214.38/4,437.92 = 2,877.69/x
  3. Step 3: Cross multiply
    3,214.38x = 4,437.92 × 2,877.69
  4. Step 4: Simplify right side
    3,214.38x = 12,770,965.20
  5. Step 5: Solve for x
    x = 12,770,965.20/3,214.38
  6. Step 6: Final answer
    x = 3,973.07

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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.