Home / 2,289.85-3,159.99-1,241.91

Finding the Fourth Proportional to 2,289.85, 3,159.99 and 1,241.91

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Solution

The fourth proportional to 2,289.85, 3,159.99 and 1,241.91 is: 1,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.85 : 3,159.99 = 1,241.91 : x
  2. Step 2: Convert to fraction form
    2,289.85/3,159.99 = 1,241.91/x
  3. Step 3: Cross multiply
    2,289.85x = 3,159.99 × 1,241.91
  4. Step 4: Simplify right side
    2,289.85x = 3,924,423.18
  5. Step 5: Solve for x
    x = 3,924,423.18/2,289.85
  6. Step 6: Final answer
    x = 1,713.84

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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.