Home / 2,318.30-3,477.56-674.97

Finding the Fourth Proportional to 2,318.30, 3,477.56 and 674.97

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Solution

The fourth proportional to 2,318.30, 3,477.56 and 674.97 is: 1,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.30 : 3,477.56 = 674.97 : x
  2. Step 2: Convert to fraction form
    2,318.30/3,477.56 = 674.97/x
  3. Step 3: Cross multiply
    2,318.30x = 3,477.56 × 674.97
  4. Step 4: Simplify right side
    2,318.30x = 2,347,245.30
  5. Step 5: Solve for x
    x = 2,347,245.30/2,318.30
  6. Step 6: Final answer
    x = 1,012.49

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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.