Home / 2,883.46-3,979.41-1,672.57

Finding the Fourth Proportional to 2,883.46, 3,979.41 and 1,672.57

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Solution

The fourth proportional to 2,883.46, 3,979.41 and 1,672.57 is: 2,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.46 : 3,979.41 = 1,672.57 : x
  2. Step 2: Convert to fraction form
    2,883.46/3,979.41 = 1,672.57/x
  3. Step 3: Cross multiply
    2,883.46x = 3,979.41 × 1,672.57
  4. Step 4: Simplify right side
    2,883.46x = 6,655,841.78
  5. Step 5: Solve for x
    x = 6,655,841.78/2,883.46
  6. Step 6: Final answer
    x = 2,308.28

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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.