Home / 2,512.89-3,761.84-2,045.32

Finding the Fourth Proportional to 2,512.89, 3,761.84 and 2,045.32

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Solution

The fourth proportional to 2,512.89, 3,761.84 and 2,045.32 is: 3,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.89 : 3,761.84 = 2,045.32 : x
  2. Step 2: Convert to fraction form
    2,512.89/3,761.84 = 2,045.32/x
  3. Step 3: Cross multiply
    2,512.89x = 3,761.84 × 2,045.32
  4. Step 4: Simplify right side
    2,512.89x = 7,694,162.30
  5. Step 5: Solve for x
    x = 7,694,162.30/2,512.89
  6. Step 6: Final answer
    x = 3,061.88

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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.