Home / 3,153.97-4,352.15-1,942.46

Finding the Fourth Proportional to 3,153.97, 4,352.15 and 1,942.46

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Solution

The fourth proportional to 3,153.97, 4,352.15 and 1,942.46 is: 2,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.97 : 4,352.15 = 1,942.46 : x
  2. Step 2: Convert to fraction form
    3,153.97/4,352.15 = 1,942.46/x
  3. Step 3: Cross multiply
    3,153.97x = 4,352.15 × 1,942.46
  4. Step 4: Simplify right side
    3,153.97x = 8,453,869.42
  5. Step 5: Solve for x
    x = 8,453,869.42/3,153.97
  6. Step 6: Final answer
    x = 2,680.39

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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.