Home / 3,998.52-5,514.48-2,671.20

Finding the Fourth Proportional to 3,998.52, 5,514.48 and 2,671.20

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Solution

The fourth proportional to 3,998.52, 5,514.48 and 2,671.20 is: 3,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.52 : 5,514.48 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    3,998.52/5,514.48 = 2,671.20/x
  3. Step 3: Cross multiply
    3,998.52x = 5,514.48 × 2,671.20
  4. Step 4: Simplify right side
    3,998.52x = 14,730,278.98
  5. Step 5: Solve for x
    x = 14,730,278.98/3,998.52
  6. Step 6: Final answer
    x = 3,683.93

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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.