Home / 2,761.16-4,132.01-2,140.90

Finding the Fourth Proportional to 2,761.16, 4,132.01 and 2,140.90

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Solution

The fourth proportional to 2,761.16, 4,132.01 and 2,140.90 is: 3,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.16 : 4,132.01 = 2,140.90 : x
  2. Step 2: Convert to fraction form
    2,761.16/4,132.01 = 2,140.90/x
  3. Step 3: Cross multiply
    2,761.16x = 4,132.01 × 2,140.90
  4. Step 4: Simplify right side
    2,761.16x = 8,846,215.23
  5. Step 5: Solve for x
    x = 8,846,215.23/2,761.16
  6. Step 6: Final answer
    x = 3,203.81

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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.