Home / 2,951.58-4,072.83-1,772.46

Finding the Fourth Proportional to 2,951.58, 4,072.83 and 1,772.46

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Solution

The fourth proportional to 2,951.58, 4,072.83 and 1,772.46 is: 2,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.58 : 4,072.83 = 1,772.46 : x
  2. Step 2: Convert to fraction form
    2,951.58/4,072.83 = 1,772.46/x
  3. Step 3: Cross multiply
    2,951.58x = 4,072.83 × 1,772.46
  4. Step 4: Simplify right side
    2,951.58x = 7,218,928.26
  5. Step 5: Solve for x
    x = 7,218,928.26/2,951.58
  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.