Home / 2,480.49-3,717.29-1,091.74

Finding the Fourth Proportional to 2,480.49, 3,717.29 and 1,091.74

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Solution

The fourth proportional to 2,480.49, 3,717.29 and 1,091.74 is: 1,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.49 : 3,717.29 = 1,091.74 : x
  2. Step 2: Convert to fraction form
    2,480.49/3,717.29 = 1,091.74/x
  3. Step 3: Cross multiply
    2,480.49x = 3,717.29 × 1,091.74
  4. Step 4: Simplify right side
    2,480.49x = 4,058,308.73
  5. Step 5: Solve for x
    x = 4,058,308.73/2,480.49
  6. Step 6: Final answer
    x = 1,636.09

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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.