Home / 2,456.10-3,679.65-1,154.70

Finding the Fourth Proportional to 2,456.10, 3,679.65 and 1,154.70

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Solution

The fourth proportional to 2,456.10, 3,679.65 and 1,154.70 is: 1,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.10 : 3,679.65 = 1,154.70 : x
  2. Step 2: Convert to fraction form
    2,456.10/3,679.65 = 1,154.70/x
  3. Step 3: Cross multiply
    2,456.10x = 3,679.65 × 1,154.70
  4. Step 4: Simplify right side
    2,456.10x = 4,248,891.86
  5. Step 5: Solve for x
    x = 4,248,891.86/2,456.10
  6. Step 6: Final answer
    x = 1,729.93

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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.