Home / 2,289.32-3,159.26-1,241.37

Finding the Fourth Proportional to 2,289.32, 3,159.26 and 1,241.37

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Solution

The fourth proportional to 2,289.32, 3,159.26 and 1,241.37 is: 1,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.32 : 3,159.26 = 1,241.37 : x
  2. Step 2: Convert to fraction form
    2,289.32/3,159.26 = 1,241.37/x
  3. Step 3: Cross multiply
    2,289.32x = 3,159.26 × 1,241.37
  4. Step 4: Simplify right side
    2,289.32x = 3,921,804.38
  5. Step 5: Solve for x
    x = 3,921,804.38/2,289.32
  6. Step 6: Final answer
    x = 1,713.09

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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.