Home / 3,279.82-4,526.10-1,787.74

Finding the Fourth Proportional to 3,279.82, 4,526.10 and 1,787.74

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Solution

The fourth proportional to 3,279.82, 4,526.10 and 1,787.74 is: 2,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.82 : 4,526.10 = 1,787.74 : x
  2. Step 2: Convert to fraction form
    3,279.82/4,526.10 = 1,787.74/x
  3. Step 3: Cross multiply
    3,279.82x = 4,526.10 × 1,787.74
  4. Step 4: Simplify right side
    3,279.82x = 8,091,481.68
  5. Step 5: Solve for x
    x = 8,091,481.68/3,279.82
  6. Step 6: Final answer
    x = 2,467.05

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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.