Home / 2,480.83-3,423.57-1,361.75

Finding the Fourth Proportional to 2,480.83, 3,423.57 and 1,361.75

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Solution

The fourth proportional to 2,480.83, 3,423.57 and 1,361.75 is: 1,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.83 : 3,423.57 = 1,361.75 : x
  2. Step 2: Convert to fraction form
    2,480.83/3,423.57 = 1,361.75/x
  3. Step 3: Cross multiply
    2,480.83x = 3,423.57 × 1,361.75
  4. Step 4: Simplify right side
    2,480.83x = 4,662,032.84
  5. Step 5: Solve for x
    x = 4,662,032.84/2,480.83
  6. Step 6: Final answer
    x = 1,879.22

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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.