Home / 2,974.52-4,106.06-1,979.44

Finding the Fourth Proportional to 2,974.52, 4,106.06 and 1,979.44

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Solution

The fourth proportional to 2,974.52, 4,106.06 and 1,979.44 is: 2,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.52 : 4,106.06 = 1,979.44 : x
  2. Step 2: Convert to fraction form
    2,974.52/4,106.06 = 1,979.44/x
  3. Step 3: Cross multiply
    2,974.52x = 4,106.06 × 1,979.44
  4. Step 4: Simplify right side
    2,974.52x = 8,127,686.67
  5. Step 5: Solve for x
    x = 8,127,686.67/2,974.52
  6. Step 6: Final answer
    x = 2,732.43

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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.