Home / 3,279.04-4,524.74-2,019.90

Finding the Fourth Proportional to 3,279.04, 4,524.74 and 2,019.90

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Solution

The fourth proportional to 3,279.04, 4,524.74 and 2,019.90 is: 2,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.04 : 4,524.74 = 2,019.90 : x
  2. Step 2: Convert to fraction form
    3,279.04/4,524.74 = 2,019.90/x
  3. Step 3: Cross multiply
    3,279.04x = 4,524.74 × 2,019.90
  4. Step 4: Simplify right side
    3,279.04x = 9,139,522.33
  5. Step 5: Solve for x
    x = 9,139,522.33/3,279.04
  6. Step 6: Final answer
    x = 2,787.26

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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.