Home / 3,541.92-4,890.96-2,217.88

Finding the Fourth Proportional to 3,541.92, 4,890.96 and 2,217.88

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Solution

The fourth proportional to 3,541.92, 4,890.96 and 2,217.88 is: 3,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.92 : 4,890.96 = 2,217.88 : x
  2. Step 2: Convert to fraction form
    3,541.92/4,890.96 = 2,217.88/x
  3. Step 3: Cross multiply
    3,541.92x = 4,890.96 × 2,217.88
  4. Step 4: Simplify right side
    3,541.92x = 10,847,562.36
  5. Step 5: Solve for x
    x = 10,847,562.36/3,541.92
  6. Step 6: Final answer
    x = 3,062.62

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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.