Home / 2,761.02-4,143.01-2,145.96

Finding the Fourth Proportional to 2,761.02, 4,143.01 and 2,145.96

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Solution

The fourth proportional to 2,761.02, 4,143.01 and 2,145.96 is: 3,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.02 : 4,143.01 = 2,145.96 : x
  2. Step 2: Convert to fraction form
    2,761.02/4,143.01 = 2,145.96/x
  3. Step 3: Cross multiply
    2,761.02x = 4,143.01 × 2,145.96
  4. Step 4: Simplify right side
    2,761.02x = 8,890,707.66
  5. Step 5: Solve for x
    x = 8,890,707.66/2,761.02
  6. Step 6: Final answer
    x = 3,220.09

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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.