Home / 2,330.30-3,494.41-686.27

Finding the Fourth Proportional to 2,330.30, 3,494.41 and 686.27

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Solution

The fourth proportional to 2,330.30, 3,494.41 and 686.27 is: 1,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.30 : 3,494.41 = 686.27 : x
  2. Step 2: Convert to fraction form
    2,330.30/3,494.41 = 686.27/x
  3. Step 3: Cross multiply
    2,330.30x = 3,494.41 × 686.27
  4. Step 4: Simplify right side
    2,330.30x = 2,398,115.77
  5. Step 5: Solve for x
    x = 2,398,115.77/2,330.30
  6. Step 6: Final answer
    x = 1,029.10

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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.