Home / 3,203.62-4,421.25-1,787.77

Finding the Fourth Proportional to 3,203.62, 4,421.25 and 1,787.77

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Solution

The fourth proportional to 3,203.62, 4,421.25 and 1,787.77 is: 2,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.62 : 4,421.25 = 1,787.77 : x
  2. Step 2: Convert to fraction form
    3,203.62/4,421.25 = 1,787.77/x
  3. Step 3: Cross multiply
    3,203.62x = 4,421.25 × 1,787.77
  4. Step 4: Simplify right side
    3,203.62x = 7,904,178.11
  5. Step 5: Solve for x
    x = 7,904,178.11/3,203.62
  6. Step 6: Final answer
    x = 2,467.26

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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.