Home / 3,158.38-4,355.94-2,371.06

Finding the Fourth Proportional to 3,158.38, 4,355.94 and 2,371.06

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Solution

The fourth proportional to 3,158.38, 4,355.94 and 2,371.06 is: 3,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.38 : 4,355.94 = 2,371.06 : x
  2. Step 2: Convert to fraction form
    3,158.38/4,355.94 = 2,371.06/x
  3. Step 3: Cross multiply
    3,158.38x = 4,355.94 × 2,371.06
  4. Step 4: Simplify right side
    3,158.38x = 10,328,195.10
  5. Step 5: Solve for x
    x = 10,328,195.10/3,158.38
  6. Step 6: Final answer
    x = 3,270.09

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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.