Home / 2,289.88-3,160.05-1,241.96

Finding the Fourth Proportional to 2,289.88, 3,160.05 and 1,241.96

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Solution

The fourth proportional to 2,289.88, 3,160.05 and 1,241.96 is: 1,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.88 : 3,160.05 = 1,241.96 : x
  2. Step 2: Convert to fraction form
    2,289.88/3,160.05 = 1,241.96/x
  3. Step 3: Cross multiply
    2,289.88x = 3,160.05 × 1,241.96
  4. Step 4: Simplify right side
    2,289.88x = 3,924,655.70
  5. Step 5: Solve for x
    x = 3,924,655.70/2,289.88
  6. Step 6: Final answer
    x = 1,713.92

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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.