Home / 2,480.98-3,717.75-1,438.54

Finding the Fourth Proportional to 2,480.98, 3,717.75 and 1,438.54

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Solution

The fourth proportional to 2,480.98, 3,717.75 and 1,438.54 is: 2,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.98 : 3,717.75 = 1,438.54 : x
  2. Step 2: Convert to fraction form
    2,480.98/3,717.75 = 1,438.54/x
  3. Step 3: Cross multiply
    2,480.98x = 3,717.75 × 1,438.54
  4. Step 4: Simplify right side
    2,480.98x = 5,348,132.09
  5. Step 5: Solve for x
    x = 5,348,132.09/2,480.98
  6. Step 6: Final answer
    x = 2,155.65

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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.