Home / 1,956.72-2,930.22-1,132.95

Finding the Fourth Proportional to 1,956.72, 2,930.22 and 1,132.95

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Solution

The fourth proportional to 1,956.72, 2,930.22 and 1,132.95 is: 1,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.72 : 2,930.22 = 1,132.95 : x
  2. Step 2: Convert to fraction form
    1,956.72/2,930.22 = 1,132.95/x
  3. Step 3: Cross multiply
    1,956.72x = 2,930.22 × 1,132.95
  4. Step 4: Simplify right side
    1,956.72x = 3,319,792.75
  5. Step 5: Solve for x
    x = 3,319,792.75/1,956.72
  6. Step 6: Final answer
    x = 1,696.61

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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.