Home / 3,580.32-4,939.68-2,182.56

Finding the Fourth Proportional to 3,580.32, 4,939.68 and 2,182.56

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Solution

The fourth proportional to 3,580.32, 4,939.68 and 2,182.56 is: 3,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.32 : 4,939.68 = 2,182.56 : x
  2. Step 2: Convert to fraction form
    3,580.32/4,939.68 = 2,182.56/x
  3. Step 3: Cross multiply
    3,580.32x = 4,939.68 × 2,182.56
  4. Step 4: Simplify right side
    3,580.32x = 10,781,147.98
  5. Step 5: Solve for x
    x = 10,781,147.98/3,580.32
  6. Step 6: Final answer
    x = 3,011.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.