Home / 2,956.46-4,079.95-1,959.96

Finding the Fourth Proportional to 2,956.46, 4,079.95 and 1,959.96

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Solution

The fourth proportional to 2,956.46, 4,079.95 and 1,959.96 is: 2,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.46 : 4,079.95 = 1,959.96 : x
  2. Step 2: Convert to fraction form
    2,956.46/4,079.95 = 1,959.96/x
  3. Step 3: Cross multiply
    2,956.46x = 4,079.95 × 1,959.96
  4. Step 4: Simplify right side
    2,956.46x = 7,996,538.80
  5. Step 5: Solve for x
    x = 7,996,538.80/2,956.46
  6. Step 6: Final answer
    x = 2,704.77

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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.