Home / 2,761.92-3,811.56-1,583.04

Finding the Fourth Proportional to 2,761.92, 3,811.56 and 1,583.04

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Solution

The fourth proportional to 2,761.92, 3,811.56 and 1,583.04 is: 2,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.92 : 3,811.56 = 1,583.04 : x
  2. Step 2: Convert to fraction form
    2,761.92/3,811.56 = 1,583.04/x
  3. Step 3: Cross multiply
    2,761.92x = 3,811.56 × 1,583.04
  4. Step 4: Simplify right side
    2,761.92x = 6,033,851.94
  5. Step 5: Solve for x
    x = 6,033,851.94/2,761.92
  6. Step 6: Final answer
    x = 2,184.66

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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.