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Finding the Fourth Proportional to 2,344.80, 3,517.96 and 2,018.80

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Solution

The fourth proportional to 2,344.80, 3,517.96 and 2,018.80 is: 3,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.80 : 3,517.96 = 2,018.80 : x
  2. Step 2: Convert to fraction form
    2,344.80/3,517.96 = 2,018.80/x
  3. Step 3: Cross multiply
    2,344.80x = 3,517.96 × 2,018.80
  4. Step 4: Simplify right side
    2,344.80x = 7,102,045.21
  5. Step 5: Solve for x
    x = 7,102,045.21/2,344.80
  6. Step 6: Final answer
    x = 3,028.85

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1.5x scale

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.