Home / 3,279.96-4,526.22-1,787.84

Finding the Fourth Proportional to 3,279.96, 4,526.22 and 1,787.84

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Solution

The fourth proportional to 3,279.96, 4,526.22 and 1,787.84 is: 2,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.96 : 4,526.22 = 1,787.84 : x
  2. Step 2: Convert to fraction form
    3,279.96/4,526.22 = 1,787.84/x
  3. Step 3: Cross multiply
    3,279.96x = 4,526.22 × 1,787.84
  4. Step 4: Simplify right side
    3,279.96x = 8,092,175.18
  5. Step 5: Solve for x
    x = 8,092,175.18/3,279.96
  6. Step 6: Final answer
    x = 2,467.16

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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.