Home / 2,891.95-4,331.44-2,240.71

Finding the Fourth Proportional to 2,891.95, 4,331.44 and 2,240.71

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Solution

The fourth proportional to 2,891.95, 4,331.44 and 2,240.71 is: 3,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.95 : 4,331.44 = 2,240.71 : x
  2. Step 2: Convert to fraction form
    2,891.95/4,331.44 = 2,240.71/x
  3. Step 3: Cross multiply
    2,891.95x = 4,331.44 × 2,240.71
  4. Step 4: Simplify right side
    2,891.95x = 9,705,500.92
  5. Step 5: Solve for x
    x = 9,705,500.92/2,891.95
  6. Step 6: Final answer
    x = 3,356.04

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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.