Home / 3,809.80-5,714.70-1,344.04

Finding the Fourth Proportional to 3,809.80, 5,714.70 and 1,344.04

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Solution

The fourth proportional to 3,809.80, 5,714.70 and 1,344.04 is: 2,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.80 : 5,714.70 = 1,344.04 : x
  2. Step 2: Convert to fraction form
    3,809.80/5,714.70 = 1,344.04/x
  3. Step 3: Cross multiply
    3,809.80x = 5,714.70 × 1,344.04
  4. Step 4: Simplify right side
    3,809.80x = 7,680,756.81
  5. Step 5: Solve for x
    x = 7,680,756.81/3,809.80
  6. Step 6: Final answer
    x = 2,016.06

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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.