Home / 2,318.15-3,477.12-674.66

Finding the Fourth Proportional to 2,318.15, 3,477.12 and 674.66

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Solution

The fourth proportional to 2,318.15, 3,477.12 and 674.66 is: 1,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.15 : 3,477.12 = 674.66 : x
  2. Step 2: Convert to fraction form
    2,318.15/3,477.12 = 674.66/x
  3. Step 3: Cross multiply
    2,318.15x = 3,477.12 × 674.66
  4. Step 4: Simplify right side
    2,318.15x = 2,345,873.78
  5. Step 5: Solve for x
    x = 2,345,873.78/2,318.15
  6. Step 6: Final answer
    x = 1,011.96

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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.