Home / 2,480.45-3,423.05-1,361.37

Finding the Fourth Proportional to 2,480.45, 3,423.05 and 1,361.37

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Solution

The fourth proportional to 2,480.45, 3,423.05 and 1,361.37 is: 1,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.45 : 3,423.05 = 1,361.37 : x
  2. Step 2: Convert to fraction form
    2,480.45/3,423.05 = 1,361.37/x
  3. Step 3: Cross multiply
    2,480.45x = 3,423.05 × 1,361.37
  4. Step 4: Simplify right side
    2,480.45x = 4,660,037.58
  5. Step 5: Solve for x
    x = 4,660,037.58/2,480.45
  6. Step 6: Final answer
    x = 1,878.71

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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.