Home / 2,289.09-3,158.97-1,241.16

Finding the Fourth Proportional to 2,289.09, 3,158.97 and 1,241.16

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Solution

The fourth proportional to 2,289.09, 3,158.97 and 1,241.16 is: 1,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.09 : 3,158.97 = 1,241.16 : x
  2. Step 2: Convert to fraction form
    2,289.09/3,158.97 = 1,241.16/x
  3. Step 3: Cross multiply
    2,289.09x = 3,158.97 × 1,241.16
  4. Step 4: Simplify right side
    2,289.09x = 3,920,770.70
  5. Step 5: Solve for x
    x = 3,920,770.70/2,289.09
  6. Step 6: Final answer
    x = 1,712.80

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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.