Home / 2,480.90-3,721.37-1,448.13

Finding the Fourth Proportional to 2,480.90, 3,721.37 and 1,448.13

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Solution

The fourth proportional to 2,480.90, 3,721.37 and 1,448.13 is: 2,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.90 : 3,721.37 = 1,448.13 : x
  2. Step 2: Convert to fraction form
    2,480.90/3,721.37 = 1,448.13/x
  3. Step 3: Cross multiply
    2,480.90x = 3,721.37 × 1,448.13
  4. Step 4: Simplify right side
    2,480.90x = 5,389,017.39
  5. Step 5: Solve for x
    x = 5,389,017.39/2,480.90
  6. Step 6: Final answer
    x = 2,172.20

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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.