Home / 4,121.49-5,687.22-2,352.75

Finding the Fourth Proportional to 4,121.49, 5,687.22 and 2,352.75

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Solution

The fourth proportional to 4,121.49, 5,687.22 and 2,352.75 is: 3,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.49 : 5,687.22 = 2,352.75 : x
  2. Step 2: Convert to fraction form
    4,121.49/5,687.22 = 2,352.75/x
  3. Step 3: Cross multiply
    4,121.49x = 5,687.22 × 2,352.75
  4. Step 4: Simplify right side
    4,121.49x = 13,380,606.86
  5. Step 5: Solve for x
    x = 13,380,606.86/4,121.49
  6. Step 6: Final answer
    x = 3,246.55

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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.