Home / 3,204.10-4,421.40-1,787.80

Finding the Fourth Proportional to 3,204.10, 4,421.40 and 1,787.80

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Solution

The fourth proportional to 3,204.10, 4,421.40 and 1,787.80 is: 2,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.10 : 4,421.40 = 1,787.80 : x
  2. Step 2: Convert to fraction form
    3,204.10/4,421.40 = 1,787.80/x
  3. Step 3: Cross multiply
    3,204.10x = 4,421.40 × 1,787.80
  4. Step 4: Simplify right side
    3,204.10x = 7,904,578.92
  5. Step 5: Solve for x
    x = 7,904,578.92/3,204.10
  6. Step 6: Final answer
    x = 2,467.02

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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.