Home / 2,438.57-3,665.15-2,146.97

Finding the Fourth Proportional to 2,438.57, 3,665.15 and 2,146.97

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Solution

The fourth proportional to 2,438.57, 3,665.15 and 2,146.97 is: 3,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.57 : 3,665.15 = 2,146.97 : x
  2. Step 2: Convert to fraction form
    2,438.57/3,665.15 = 2,146.97/x
  3. Step 3: Cross multiply
    2,438.57x = 3,665.15 × 2,146.97
  4. Step 4: Simplify right side
    2,438.57x = 7,868,973.57
  5. Step 5: Solve for x
    x = 7,868,973.57/2,438.57
  6. Step 6: Final answer
    x = 3,226.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.