Home / 2,318.18-3,476.91-674.39

Finding the Fourth Proportional to 2,318.18, 3,476.91 and 674.39

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Solution

The fourth proportional to 2,318.18, 3,476.91 and 674.39 is: 1,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.18 : 3,476.91 = 674.39 : x
  2. Step 2: Convert to fraction form
    2,318.18/3,476.91 = 674.39/x
  3. Step 3: Cross multiply
    2,318.18x = 3,476.91 × 674.39
  4. Step 4: Simplify right side
    2,318.18x = 2,344,775.95
  5. Step 5: Solve for x
    x = 2,344,775.95/2,318.18
  6. Step 6: Final answer
    x = 1,011.47

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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.