Home / 3,972.44-5,481.09-2,400.50

Finding the Fourth Proportional to 3,972.44, 5,481.09 and 2,400.50

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Solution

The fourth proportional to 3,972.44, 5,481.09 and 2,400.50 is: 3,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.44 : 5,481.09 = 2,400.50 : x
  2. Step 2: Convert to fraction form
    3,972.44/5,481.09 = 2,400.50/x
  3. Step 3: Cross multiply
    3,972.44x = 5,481.09 × 2,400.50
  4. Step 4: Simplify right side
    3,972.44x = 13,157,329.14
  5. Step 5: Solve for x
    x = 13,157,329.14/3,972.44
  6. Step 6: Final answer
    x = 3,312.16

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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.