Home / 4,101.75-5,660.42-2,238.75

Finding the Fourth Proportional to 4,101.75, 5,660.42 and 2,238.75

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Solution

The fourth proportional to 4,101.75, 5,660.42 and 2,238.75 is: 3,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.75 : 5,660.42 = 2,238.75 : x
  2. Step 2: Convert to fraction form
    4,101.75/5,660.42 = 2,238.75/x
  3. Step 3: Cross multiply
    4,101.75x = 5,660.42 × 2,238.75
  4. Step 4: Simplify right side
    4,101.75x = 12,672,254.08
  5. Step 5: Solve for x
    x = 12,672,254.08/4,101.75
  6. Step 6: Final answer
    x = 3,089.48

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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.