Home / 2,318.12-3,476.42-674.73

Finding the Fourth Proportional to 2,318.12, 3,476.42 and 674.73

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Solution

The fourth proportional to 2,318.12, 3,476.42 and 674.73 is: 1,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.12 : 3,476.42 = 674.73 : x
  2. Step 2: Convert to fraction form
    2,318.12/3,476.42 = 674.73/x
  3. Step 3: Cross multiply
    2,318.12x = 3,476.42 × 674.73
  4. Step 4: Simplify right side
    2,318.12x = 2,345,644.02
  5. Step 5: Solve for x
    x = 2,345,644.02/2,318.12
  6. Step 6: Final answer
    x = 1,011.87

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1.5x scale

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.