Home / 2,439.38-3,677.30-2,231.80

Finding the Fourth Proportional to 2,439.38, 3,677.30 and 2,231.80

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Solution

The fourth proportional to 2,439.38, 3,677.30 and 2,231.80 is: 3,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.38 : 3,677.30 = 2,231.80 : x
  2. Step 2: Convert to fraction form
    2,439.38/3,677.30 = 2,231.80/x
  3. Step 3: Cross multiply
    2,439.38x = 3,677.30 × 2,231.80
  4. Step 4: Simplify right side
    2,439.38x = 8,206,986.98
  5. Step 5: Solve for x
    x = 8,206,986.98/2,439.38
  6. Step 6: Final answer
    x = 3,364.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.