Home / 2,654.25-3,987.26-1,731.26

Finding the Fourth Proportional to 2,654.25, 3,987.26 and 1,731.26

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Solution

The fourth proportional to 2,654.25, 3,987.26 and 1,731.26 is: 2,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.25 : 3,987.26 = 1,731.26 : x
  2. Step 2: Convert to fraction form
    2,654.25/3,987.26 = 1,731.26/x
  3. Step 3: Cross multiply
    2,654.25x = 3,987.26 × 1,731.26
  4. Step 4: Simplify right side
    2,654.25x = 6,902,955.16
  5. Step 5: Solve for x
    x = 6,902,955.16/2,654.25
  6. Step 6: Final answer
    x = 2,600.72

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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.