Home / 2,921.92-4,382.24-841.46

Finding the Fourth Proportional to 2,921.92, 4,382.24 and 841.46

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Solution

The fourth proportional to 2,921.92, 4,382.24 and 841.46 is: 1,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.92 : 4,382.24 = 841.46 : x
  2. Step 2: Convert to fraction form
    2,921.92/4,382.24 = 841.46/x
  3. Step 3: Cross multiply
    2,921.92x = 4,382.24 × 841.46
  4. Step 4: Simplify right side
    2,921.92x = 3,687,453.55
  5. Step 5: Solve for x
    x = 3,687,453.55/2,921.92
  6. Step 6: Final answer
    x = 1,262.00

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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.