Home / 2,318.27-3,476.74-674.38

Finding the Fourth Proportional to 2,318.27, 3,476.74 and 674.38

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Solution

The fourth proportional to 2,318.27, 3,476.74 and 674.38 is: 1,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.27 : 3,476.74 = 674.38 : x
  2. Step 2: Convert to fraction form
    2,318.27/3,476.74 = 674.38/x
  3. Step 3: Cross multiply
    2,318.27x = 3,476.74 × 674.38
  4. Step 4: Simplify right side
    2,318.27x = 2,344,643.92
  5. Step 5: Solve for x
    x = 2,344,643.92/2,318.27
  6. Step 6: Final answer
    x = 1,011.38

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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.