Home / 2,289.25-3,159.18-1,241.32

Finding the Fourth Proportional to 2,289.25, 3,159.18 and 1,241.32

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Solution

The fourth proportional to 2,289.25, 3,159.18 and 1,241.32 is: 1,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.25 : 3,159.18 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    2,289.25/3,159.18 = 1,241.32/x
  3. Step 3: Cross multiply
    2,289.25x = 3,159.18 × 1,241.32
  4. Step 4: Simplify right side
    2,289.25x = 3,921,553.32
  5. Step 5: Solve for x
    x = 3,921,553.32/2,289.25
  6. Step 6: Final answer
    x = 1,713.03

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1.5x scale

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.