Home / 3,977.19-5,488.97-2,717.82

Finding the Fourth Proportional to 3,977.19, 5,488.97 and 2,717.82

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Solution

The fourth proportional to 3,977.19, 5,488.97 and 2,717.82 is: 3,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.19 : 5,488.97 = 2,717.82 : x
  2. Step 2: Convert to fraction form
    3,977.19/5,488.97 = 2,717.82/x
  3. Step 3: Cross multiply
    3,977.19x = 5,488.97 × 2,717.82
  4. Step 4: Simplify right side
    3,977.19x = 14,918,018.86
  5. Step 5: Solve for x
    x = 14,918,018.86/3,977.19
  6. Step 6: Final answer
    x = 3,750.89

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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.