Home / 3,513.96-5,257.80-2,691

Finding the Fourth Proportional to 3,513.96, 5,257.80 and 2,691

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Solution

The fourth proportional to 3,513.96, 5,257.80 and 2,691 is: 4,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.96 : 5,257.80 = 2,691 : x
  2. Step 2: Convert to fraction form
    3,513.96/5,257.80 = 2,691/x
  3. Step 3: Cross multiply
    3,513.96x = 5,257.80 × 2,691
  4. Step 4: Simplify right side
    3,513.96x = 14,148,739.80
  5. Step 5: Solve for x
    x = 14,148,739.80/3,513.96
  6. Step 6: Final answer
    x = 4,026.44

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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.