Home / 2,418.09-3,626.30-1,248.71

Finding the Fourth Proportional to 2,418.09, 3,626.30 and 1,248.71

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Solution

The fourth proportional to 2,418.09, 3,626.30 and 1,248.71 is: 1,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.09 : 3,626.30 = 1,248.71 : x
  2. Step 2: Convert to fraction form
    2,418.09/3,626.30 = 1,248.71/x
  3. Step 3: Cross multiply
    2,418.09x = 3,626.30 × 1,248.71
  4. Step 4: Simplify right side
    2,418.09x = 4,528,172.70
  5. Step 5: Solve for x
    x = 4,528,172.70/2,418.09
  6. Step 6: Final answer
    x = 1,872.62

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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.