Home / 2,641.75-3,963.56-1,237.42

Finding the Fourth Proportional to 2,641.75, 3,963.56 and 1,237.42

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Solution

The fourth proportional to 2,641.75, 3,963.56 and 1,237.42 is: 1,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.75 : 3,963.56 = 1,237.42 : x
  2. Step 2: Convert to fraction form
    2,641.75/3,963.56 = 1,237.42/x
  3. Step 3: Cross multiply
    2,641.75x = 3,963.56 × 1,237.42
  4. Step 4: Simplify right side
    2,641.75x = 4,904,588.42
  5. Step 5: Solve for x
    x = 4,904,588.42/2,641.75
  6. Step 6: Final answer
    x = 1,856.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.