Home / 2,721.60-4,084.83-1,240.92

Finding the Fourth Proportional to 2,721.60, 4,084.83 and 1,240.92

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Solution

The fourth proportional to 2,721.60, 4,084.83 and 1,240.92 is: 1,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.60 : 4,084.83 = 1,240.92 : x
  2. Step 2: Convert to fraction form
    2,721.60/4,084.83 = 1,240.92/x
  3. Step 3: Cross multiply
    2,721.60x = 4,084.83 × 1,240.92
  4. Step 4: Simplify right side
    2,721.60x = 5,068,947.24
  5. Step 5: Solve for x
    x = 5,068,947.24/2,721.60
  6. Step 6: Final answer
    x = 1,862.49

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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.