Home / 2,456.59-3,685.13-1,157.71

Finding the Fourth Proportional to 2,456.59, 3,685.13 and 1,157.71

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Solution

The fourth proportional to 2,456.59, 3,685.13 and 1,157.71 is: 1,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.59 : 3,685.13 = 1,157.71 : x
  2. Step 2: Convert to fraction form
    2,456.59/3,685.13 = 1,157.71/x
  3. Step 3: Cross multiply
    2,456.59x = 3,685.13 × 1,157.71
  4. Step 4: Simplify right side
    2,456.59x = 4,266,311.85
  5. Step 5: Solve for x
    x = 4,266,311.85/2,456.59
  6. Step 6: Final answer
    x = 1,736.68

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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.