Home / 3,974.16-5,481.36-2,400.24

Finding the Fourth Proportional to 3,974.16, 5,481.36 and 2,400.24

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Solution

The fourth proportional to 3,974.16, 5,481.36 and 2,400.24 is: 3,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.16 : 5,481.36 = 2,400.24 : x
  2. Step 2: Convert to fraction form
    3,974.16/5,481.36 = 2,400.24/x
  3. Step 3: Cross multiply
    3,974.16x = 5,481.36 × 2,400.24
  4. Step 4: Simplify right side
    3,974.16x = 13,156,579.53
  5. Step 5: Solve for x
    x = 13,156,579.53/3,974.16
  6. Step 6: Final answer
    x = 3,310.53

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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.