Home / 3,249.52-4,875-1,787.92

Finding the Fourth Proportional to 3,249.52, 4,875 and 1,787.92

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Solution

The fourth proportional to 3,249.52, 4,875 and 1,787.92 is: 2,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.52 : 4,875 = 1,787.92 : x
  2. Step 2: Convert to fraction form
    3,249.52/4,875 = 1,787.92/x
  3. Step 3: Cross multiply
    3,249.52x = 4,875 × 1,787.92
  4. Step 4: Simplify right side
    3,249.52x = 8,716,110
  5. Step 5: Solve for x
    x = 8,716,110/3,249.52
  6. Step 6: Final answer
    x = 2,682.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.