Home / 2,854.22-4,279.48-1,877.36

Finding the Fourth Proportional to 2,854.22, 4,279.48 and 1,877.36

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Solution

The fourth proportional to 2,854.22, 4,279.48 and 1,877.36 is: 2,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.22 : 4,279.48 = 1,877.36 : x
  2. Step 2: Convert to fraction form
    2,854.22/4,279.48 = 1,877.36/x
  3. Step 3: Cross multiply
    2,854.22x = 4,279.48 × 1,877.36
  4. Step 4: Simplify right side
    2,854.22x = 8,034,124.57
  5. Step 5: Solve for x
    x = 8,034,124.57/2,854.22
  6. Step 6: Final answer
    x = 2,814.82

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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.