Home / 2,486.34-3,726.27-2,209.86

Finding the Fourth Proportional to 2,486.34, 3,726.27 and 2,209.86

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Solution

The fourth proportional to 2,486.34, 3,726.27 and 2,209.86 is: 3,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.34 : 3,726.27 = 2,209.86 : x
  2. Step 2: Convert to fraction form
    2,486.34/3,726.27 = 2,209.86/x
  3. Step 3: Cross multiply
    2,486.34x = 3,726.27 × 2,209.86
  4. Step 4: Simplify right side
    2,486.34x = 8,234,535.02
  5. Step 5: Solve for x
    x = 8,234,535.02/2,486.34
  6. Step 6: Final answer
    x = 3,311.91

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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.