Home / 3,279.11-4,525.28-1,862.86

Finding the Fourth Proportional to 3,279.11, 4,525.28 and 1,862.86

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Solution

The fourth proportional to 3,279.11, 4,525.28 and 1,862.86 is: 2,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.11 : 4,525.28 = 1,862.86 : x
  2. Step 2: Convert to fraction form
    3,279.11/4,525.28 = 1,862.86/x
  3. Step 3: Cross multiply
    3,279.11x = 4,525.28 × 1,862.86
  4. Step 4: Simplify right side
    3,279.11x = 8,429,963.10
  5. Step 5: Solve for x
    x = 8,429,963.10/3,279.11
  6. Step 6: Final answer
    x = 2,570.81

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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.