Home / 2,289.77-3,159.85-1,241.82

Finding the Fourth Proportional to 2,289.77, 3,159.85 and 1,241.82

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Solution

The fourth proportional to 2,289.77, 3,159.85 and 1,241.82 is: 1,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.77 : 3,159.85 = 1,241.82 : x
  2. Step 2: Convert to fraction form
    2,289.77/3,159.85 = 1,241.82/x
  3. Step 3: Cross multiply
    2,289.77x = 3,159.85 × 1,241.82
  4. Step 4: Simplify right side
    2,289.77x = 3,923,961.82
  5. Step 5: Solve for x
    x = 3,923,961.82/2,289.77
  6. Step 6: Final answer
    x = 1,713.70

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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.