Home / 3,204.29-4,421.96-1,878.02

Finding the Fourth Proportional to 3,204.29, 4,421.96 and 1,878.02

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Solution

The fourth proportional to 3,204.29, 4,421.96 and 1,878.02 is: 2,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.29 : 4,421.96 = 1,878.02 : x
  2. Step 2: Convert to fraction form
    3,204.29/4,421.96 = 1,878.02/x
  3. Step 3: Cross multiply
    3,204.29x = 4,421.96 × 1,878.02
  4. Step 4: Simplify right side
    3,204.29x = 8,304,521.44
  5. Step 5: Solve for x
    x = 8,304,521.44/3,204.29
  6. Step 6: Final answer
    x = 2,591.69

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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.