Home / 2,956.11-4,079.82-2,457.90

Finding the Fourth Proportional to 2,956.11, 4,079.82 and 2,457.90

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Solution

The fourth proportional to 2,956.11, 4,079.82 and 2,457.90 is: 3,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.11 : 4,079.82 = 2,457.90 : x
  2. Step 2: Convert to fraction form
    2,956.11/4,079.82 = 2,457.90/x
  3. Step 3: Cross multiply
    2,956.11x = 4,079.82 × 2,457.90
  4. Step 4: Simplify right side
    2,956.11x = 10,027,789.58
  5. Step 5: Solve for x
    x = 10,027,789.58/2,956.11
  6. Step 6: Final answer
    x = 3,392.22

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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.