Home / 3,279.68-4,525.79-1,787.58

Finding the Fourth Proportional to 3,279.68, 4,525.79 and 1,787.58

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Solution

The fourth proportional to 3,279.68, 4,525.79 and 1,787.58 is: 2,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.68 : 4,525.79 = 1,787.58 : x
  2. Step 2: Convert to fraction form
    3,279.68/4,525.79 = 1,787.58/x
  3. Step 3: Cross multiply
    3,279.68x = 4,525.79 × 1,787.58
  4. Step 4: Simplify right side
    3,279.68x = 8,090,202.75
  5. Step 5: Solve for x
    x = 8,090,202.75/3,279.68
  6. Step 6: Final answer
    x = 2,466.77

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1.5x scale

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.