Home / 2,956.28-4,079.91-1,630.11

Finding the Fourth Proportional to 2,956.28, 4,079.91 and 1,630.11

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Solution

The fourth proportional to 2,956.28, 4,079.91 and 1,630.11 is: 2,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.28 : 4,079.91 = 1,630.11 : x
  2. Step 2: Convert to fraction form
    2,956.28/4,079.91 = 1,630.11/x
  3. Step 3: Cross multiply
    2,956.28x = 4,079.91 × 1,630.11
  4. Step 4: Simplify right side
    2,956.28x = 6,650,673.54
  5. Step 5: Solve for x
    x = 6,650,673.54/2,956.28
  6. Step 6: Final answer
    x = 2,249.68

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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.