Home / 3,204.39-4,421.89-1,787.82

Finding the Fourth Proportional to 3,204.39, 4,421.89 and 1,787.82

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Solution

The fourth proportional to 3,204.39, 4,421.89 and 1,787.82 is: 2,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.39 : 4,421.89 = 1,787.82 : x
  2. Step 2: Convert to fraction form
    3,204.39/4,421.89 = 1,787.82/x
  3. Step 3: Cross multiply
    3,204.39x = 4,421.89 × 1,787.82
  4. Step 4: Simplify right side
    3,204.39x = 7,905,543.38
  5. Step 5: Solve for x
    x = 7,905,543.38/3,204.39
  6. Step 6: Final answer
    x = 2,467.10

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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.