Home / 3,817.20-5,267.79-2,325.18

Finding the Fourth Proportional to 3,817.20, 5,267.79 and 2,325.18

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Solution

The fourth proportional to 3,817.20, 5,267.79 and 2,325.18 is: 3,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.20 : 5,267.79 = 2,325.18 : x
  2. Step 2: Convert to fraction form
    3,817.20/5,267.79 = 2,325.18/x
  3. Step 3: Cross multiply
    3,817.20x = 5,267.79 × 2,325.18
  4. Step 4: Simplify right side
    3,817.20x = 12,248,559.95
  5. Step 5: Solve for x
    x = 12,248,559.95/3,817.20
  6. Step 6: Final answer
    x = 3,208.78

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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.