Home / 3,279.15-4,907.18-2,687.04

Finding the Fourth Proportional to 3,279.15, 4,907.18 and 2,687.04

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Solution

The fourth proportional to 3,279.15, 4,907.18 and 2,687.04 is: 4,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.15 : 4,907.18 = 2,687.04 : x
  2. Step 2: Convert to fraction form
    3,279.15/4,907.18 = 2,687.04/x
  3. Step 3: Cross multiply
    3,279.15x = 4,907.18 × 2,687.04
  4. Step 4: Simplify right side
    3,279.15x = 13,185,775.51
  5. Step 5: Solve for x
    x = 13,185,775.51/3,279.15
  6. Step 6: Final answer
    x = 4,021.10

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1.5x scale

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.