Home / 2,480.48-3,423.28-1,361.64

Finding the Fourth Proportional to 2,480.48, 3,423.28 and 1,361.64

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Solution

The fourth proportional to 2,480.48, 3,423.28 and 1,361.64 is: 1,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.48 : 3,423.28 = 1,361.64 : x
  2. Step 2: Convert to fraction form
    2,480.48/3,423.28 = 1,361.64/x
  3. Step 3: Cross multiply
    2,480.48x = 3,423.28 × 1,361.64
  4. Step 4: Simplify right side
    2,480.48x = 4,661,286.97
  5. Step 5: Solve for x
    x = 4,661,286.97/2,480.48
  6. Step 6: Final answer
    x = 1,879.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.