Home / 3,202.80-4,418.48-1,875.84

Finding the Fourth Proportional to 3,202.80, 4,418.48 and 1,875.84

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Solution

The fourth proportional to 3,202.80, 4,418.48 and 1,875.84 is: 2,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.80 : 4,418.48 = 1,875.84 : x
  2. Step 2: Convert to fraction form
    3,202.80/4,418.48 = 1,875.84/x
  3. Step 3: Cross multiply
    3,202.80x = 4,418.48 × 1,875.84
  4. Step 4: Simplify right side
    3,202.80x = 8,288,361.52
  5. Step 5: Solve for x
    x = 8,288,361.52/3,202.80
  6. Step 6: Final answer
    x = 2,587.85

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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.