Home / 3,742.80-5,601.30-2,956.20

Finding the Fourth Proportional to 3,742.80, 5,601.30 and 2,956.20

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Solution

The fourth proportional to 3,742.80, 5,601.30 and 2,956.20 is: 4,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.80 : 5,601.30 = 2,956.20 : x
  2. Step 2: Convert to fraction form
    3,742.80/5,601.30 = 2,956.20/x
  3. Step 3: Cross multiply
    3,742.80x = 5,601.30 × 2,956.20
  4. Step 4: Simplify right side
    3,742.80x = 16,558,563.06
  5. Step 5: Solve for x
    x = 16,558,563.06/3,742.80
  6. Step 6: Final answer
    x = 4,424.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.