Home / 3,972.24-5,480.84-2,400.04

Finding the Fourth Proportional to 3,972.24, 5,480.84 and 2,400.04

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Solution

The fourth proportional to 3,972.24, 5,480.84 and 2,400.04 is: 3,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.24 : 5,480.84 = 2,400.04 : x
  2. Step 2: Convert to fraction form
    3,972.24/5,480.84 = 2,400.04/x
  3. Step 3: Cross multiply
    3,972.24x = 5,480.84 × 2,400.04
  4. Step 4: Simplify right side
    3,972.24x = 13,154,235.23
  5. Step 5: Solve for x
    x = 13,154,235.23/3,972.24
  6. Step 6: Final answer
    x = 3,311.54

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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.