Home / 2,951.43-4,072.46-1,772.53

Finding the Fourth Proportional to 2,951.43, 4,072.46 and 1,772.53

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Solution

The fourth proportional to 2,951.43, 4,072.46 and 1,772.53 is: 2,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.43 : 4,072.46 = 1,772.53 : x
  2. Step 2: Convert to fraction form
    2,951.43/4,072.46 = 1,772.53/x
  3. Step 3: Cross multiply
    2,951.43x = 4,072.46 × 1,772.53
  4. Step 4: Simplify right side
    2,951.43x = 7,218,557.52
  5. Step 5: Solve for x
    x = 7,218,557.52/2,951.43
  6. Step 6: Final answer
    x = 2,445.78

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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.