Home / 3,517.20-4,855.68-2,340

Finding the Fourth Proportional to 3,517.20, 4,855.68 and 2,340

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Solution

The fourth proportional to 3,517.20, 4,855.68 and 2,340 is: 3,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.20 : 4,855.68 = 2,340 : x
  2. Step 2: Convert to fraction form
    3,517.20/4,855.68 = 2,340/x
  3. Step 3: Cross multiply
    3,517.20x = 4,855.68 × 2,340
  4. Step 4: Simplify right side
    3,517.20x = 11,362,291.20
  5. Step 5: Solve for x
    x = 11,362,291.20/3,517.20
  6. Step 6: Final answer
    x = 3,230.49

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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.