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Finding the Fourth Proportional to 2,951.54, 4,425.89 and 1,719.30

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Solution

The fourth proportional to 2,951.54, 4,425.89 and 1,719.30 is: 2,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.54 : 4,425.89 = 1,719.30 : x
  2. Step 2: Convert to fraction form
    2,951.54/4,425.89 = 1,719.30/x
  3. Step 3: Cross multiply
    2,951.54x = 4,425.89 × 1,719.30
  4. Step 4: Simplify right side
    2,951.54x = 7,609,432.68
  5. Step 5: Solve for x
    x = 7,609,432.68/2,951.54
  6. Step 6: Final answer
    x = 2,578.13

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1.5x scale

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.