Home / 3,246.30-4,860-2,428.20

Finding the Fourth Proportional to 3,246.30, 4,860 and 2,428.20

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Solution

The fourth proportional to 3,246.30, 4,860 and 2,428.20 is: 3,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.30 : 4,860 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    3,246.30/4,860 = 2,428.20/x
  3. Step 3: Cross multiply
    3,246.30x = 4,860 × 2,428.20
  4. Step 4: Simplify right side
    3,246.30x = 11,801,052
  5. Step 5: Solve for x
    x = 11,801,052/3,246.30
  6. Step 6: Final answer
    x = 3,635.23

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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.