Home / 3,922.19-5,877.75-2,167.98

Finding the Fourth Proportional to 3,922.19, 5,877.75 and 2,167.98

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Solution

The fourth proportional to 3,922.19, 5,877.75 and 2,167.98 is: 3,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.19 : 5,877.75 = 2,167.98 : x
  2. Step 2: Convert to fraction form
    3,922.19/5,877.75 = 2,167.98/x
  3. Step 3: Cross multiply
    3,922.19x = 5,877.75 × 2,167.98
  4. Step 4: Simplify right side
    3,922.19x = 12,742,844.45
  5. Step 5: Solve for x
    x = 12,742,844.45/3,922.19
  6. Step 6: Final answer
    x = 3,248.91

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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.