Home / 3,635.24-5,015.76-2,143.04

Finding the Fourth Proportional to 3,635.24, 5,015.76 and 2,143.04

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Solution

The fourth proportional to 3,635.24, 5,015.76 and 2,143.04 is: 2,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.24 : 5,015.76 = 2,143.04 : x
  2. Step 2: Convert to fraction form
    3,635.24/5,015.76 = 2,143.04/x
  3. Step 3: Cross multiply
    3,635.24x = 5,015.76 × 2,143.04
  4. Step 4: Simplify right side
    3,635.24x = 10,748,974.31
  5. Step 5: Solve for x
    x = 10,748,974.31/3,635.24
  6. Step 6: Final answer
    x = 2,956.88

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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.