Home / 2,979.45-4,471.61-1,593.74

Finding the Fourth Proportional to 2,979.45, 4,471.61 and 1,593.74

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Solution

The fourth proportional to 2,979.45, 4,471.61 and 1,593.74 is: 2,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.45 : 4,471.61 = 1,593.74 : x
  2. Step 2: Convert to fraction form
    2,979.45/4,471.61 = 1,593.74/x
  3. Step 3: Cross multiply
    2,979.45x = 4,471.61 × 1,593.74
  4. Step 4: Simplify right side
    2,979.45x = 7,126,586.93
  5. Step 5: Solve for x
    x = 7,126,586.93/2,979.45
  6. Step 6: Final answer
    x = 2,391.91

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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.