Home / 2,481.75-3,724.08-1,113.75

Finding the Fourth Proportional to 2,481.75, 3,724.08 and 1,113.75

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Solution

The fourth proportional to 2,481.75, 3,724.08 and 1,113.75 is: 1,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.75 : 3,724.08 = 1,113.75 : x
  2. Step 2: Convert to fraction form
    2,481.75/3,724.08 = 1,113.75/x
  3. Step 3: Cross multiply
    2,481.75x = 3,724.08 × 1,113.75
  4. Step 4: Simplify right side
    2,481.75x = 4,147,694.10
  5. Step 5: Solve for x
    x = 4,147,694.10/2,481.75
  6. Step 6: Final answer
    x = 1,671.28

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1.5x scale

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.