Home / 3,883.62-5,355.92-2,557.04

Finding the Fourth Proportional to 3,883.62, 5,355.92 and 2,557.04

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Solution

The fourth proportional to 3,883.62, 5,355.92 and 2,557.04 is: 3,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.62 : 5,355.92 = 2,557.04 : x
  2. Step 2: Convert to fraction form
    3,883.62/5,355.92 = 2,557.04/x
  3. Step 3: Cross multiply
    3,883.62x = 5,355.92 × 2,557.04
  4. Step 4: Simplify right side
    3,883.62x = 13,695,288.89
  5. Step 5: Solve for x
    x = 13,695,288.89/3,883.62
  6. Step 6: Final answer
    x = 3,526.42

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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.