Home / 2,506.97-3,459.48-1,387.89

Finding the Fourth Proportional to 2,506.97, 3,459.48 and 1,387.89

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Solution

The fourth proportional to 2,506.97, 3,459.48 and 1,387.89 is: 1,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.97 : 3,459.48 = 1,387.89 : x
  2. Step 2: Convert to fraction form
    2,506.97/3,459.48 = 1,387.89/x
  3. Step 3: Cross multiply
    2,506.97x = 3,459.48 × 1,387.89
  4. Step 4: Simplify right side
    2,506.97x = 4,801,377.70
  5. Step 5: Solve for x
    x = 4,801,377.70/2,506.97
  6. Step 6: Final answer
    x = 1,915.22

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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.