Home / 2,951.52-4,071.60-2,251.68

Finding the Fourth Proportional to 2,951.52, 4,071.60 and 2,251.68

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Solution

The fourth proportional to 2,951.52, 4,071.60 and 2,251.68 is: 3,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.52 : 4,071.60 = 2,251.68 : x
  2. Step 2: Convert to fraction form
    2,951.52/4,071.60 = 2,251.68/x
  3. Step 3: Cross multiply
    2,951.52x = 4,071.60 × 2,251.68
  4. Step 4: Simplify right side
    2,951.52x = 9,167,940.29
  5. Step 5: Solve for x
    x = 9,167,940.29/2,951.52
  6. Step 6: Final answer
    x = 3,106.18

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1.5x scale

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.