Home / 2,923.52-4,377.12-1,997.12

Finding the Fourth Proportional to 2,923.52, 4,377.12 and 1,997.12

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Solution

The fourth proportional to 2,923.52, 4,377.12 and 1,997.12 is: 2,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.52 : 4,377.12 = 1,997.12 : x
  2. Step 2: Convert to fraction form
    2,923.52/4,377.12 = 1,997.12/x
  3. Step 3: Cross multiply
    2,923.52x = 4,377.12 × 1,997.12
  4. Step 4: Simplify right side
    2,923.52x = 8,741,633.89
  5. Step 5: Solve for x
    x = 8,741,633.89/2,923.52
  6. Step 6: Final answer
    x = 2,990.11

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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.