Home / 2,540.22-3,805.02-1,615.31

Finding the Fourth Proportional to 2,540.22, 3,805.02 and 1,615.31

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Solution

The fourth proportional to 2,540.22, 3,805.02 and 1,615.31 is: 2,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.22 : 3,805.02 = 1,615.31 : x
  2. Step 2: Convert to fraction form
    2,540.22/3,805.02 = 1,615.31/x
  3. Step 3: Cross multiply
    2,540.22x = 3,805.02 × 1,615.31
  4. Step 4: Simplify right side
    2,540.22x = 6,146,267.83
  5. Step 5: Solve for x
    x = 6,146,267.83/2,540.22
  6. Step 6: Final answer
    x = 2,419.58

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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.