Home / 2,480.93-3,423.67-1,361.84

Finding the Fourth Proportional to 2,480.93, 3,423.67 and 1,361.84

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Solution

The fourth proportional to 2,480.93, 3,423.67 and 1,361.84 is: 1,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.93 : 3,423.67 = 1,361.84 : x
  2. Step 2: Convert to fraction form
    2,480.93/3,423.67 = 1,361.84/x
  3. Step 3: Cross multiply
    2,480.93x = 3,423.67 × 1,361.84
  4. Step 4: Simplify right side
    2,480.93x = 4,662,490.75
  5. Step 5: Solve for x
    x = 4,662,490.75/2,480.93
  6. Step 6: Final answer
    x = 1,879.33

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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.