Home / 2,951.26-4,072.75-1,772.35

Finding the Fourth Proportional to 2,951.26, 4,072.75 and 1,772.35

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Solution

The fourth proportional to 2,951.26, 4,072.75 and 1,772.35 is: 2,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.26 : 4,072.75 = 1,772.35 : x
  2. Step 2: Convert to fraction form
    2,951.26/4,072.75 = 1,772.35/x
  3. Step 3: Cross multiply
    2,951.26x = 4,072.75 × 1,772.35
  4. Step 4: Simplify right side
    2,951.26x = 7,218,323.85
  5. Step 5: Solve for x
    x = 7,218,323.85/2,951.26
  6. Step 6: Final answer
    x = 2,445.85

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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.