Home / 2,972.42-4,449.29-2,042.54

Finding the Fourth Proportional to 2,972.42, 4,449.29 and 2,042.54

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Solution

The fourth proportional to 2,972.42, 4,449.29 and 2,042.54 is: 3,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.42 : 4,449.29 = 2,042.54 : x
  2. Step 2: Convert to fraction form
    2,972.42/4,449.29 = 2,042.54/x
  3. Step 3: Cross multiply
    2,972.42x = 4,449.29 × 2,042.54
  4. Step 4: Simplify right side
    2,972.42x = 9,087,852.80
  5. Step 5: Solve for x
    x = 9,087,852.80/2,972.42
  6. Step 6: Final answer
    x = 3,057.39

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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.