Home / 3,921.62-5,410.74-2,525.18

Finding the Fourth Proportional to 3,921.62, 5,410.74 and 2,525.18

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Solution

The fourth proportional to 3,921.62, 5,410.74 and 2,525.18 is: 3,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.62 : 5,410.74 = 2,525.18 : x
  2. Step 2: Convert to fraction form
    3,921.62/5,410.74 = 2,525.18/x
  3. Step 3: Cross multiply
    3,921.62x = 5,410.74 × 2,525.18
  4. Step 4: Simplify right side
    3,921.62x = 13,663,092.43
  5. Step 5: Solve for x
    x = 13,663,092.43/3,921.62
  6. Step 6: Final answer
    x = 3,484.04

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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.