Home / 2,257.34-3,385.19-958.91

Finding the Fourth Proportional to 2,257.34, 3,385.19 and 958.91

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Solution

The fourth proportional to 2,257.34, 3,385.19 and 958.91 is: 1,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.34 : 3,385.19 = 958.91 : x
  2. Step 2: Convert to fraction form
    2,257.34/3,385.19 = 958.91/x
  3. Step 3: Cross multiply
    2,257.34x = 3,385.19 × 958.91
  4. Step 4: Simplify right side
    2,257.34x = 3,246,078.01
  5. Step 5: Solve for x
    x = 3,246,078.01/2,257.34
  6. Step 6: Final answer
    x = 1,438.01

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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.