Home / 2,040.22-2,815.59-1,254.52

Finding the Fourth Proportional to 2,040.22, 2,815.59 and 1,254.52

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Solution

The fourth proportional to 2,040.22, 2,815.59 and 1,254.52 is: 1,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.22 : 2,815.59 = 1,254.52 : x
  2. Step 2: Convert to fraction form
    2,040.22/2,815.59 = 1,254.52/x
  3. Step 3: Cross multiply
    2,040.22x = 2,815.59 × 1,254.52
  4. Step 4: Simplify right side
    2,040.22x = 3,532,213.97
  5. Step 5: Solve for x
    x = 3,532,213.97/2,040.22
  6. Step 6: Final answer
    x = 1,731.29

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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.