Home / 2,761.68-3,811.96-1,583.52

Finding the Fourth Proportional to 2,761.68, 3,811.96 and 1,583.52

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Solution

The fourth proportional to 2,761.68, 3,811.96 and 1,583.52 is: 2,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.68 : 3,811.96 = 1,583.52 : x
  2. Step 2: Convert to fraction form
    2,761.68/3,811.96 = 1,583.52/x
  3. Step 3: Cross multiply
    2,761.68x = 3,811.96 × 1,583.52
  4. Step 4: Simplify right side
    2,761.68x = 6,036,314.90
  5. Step 5: Solve for x
    x = 6,036,314.90/2,761.68
  6. Step 6: Final answer
    x = 2,185.74

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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.