Home / 3,808.32-5,714.30-1,729.80

Finding the Fourth Proportional to 3,808.32, 5,714.30 and 1,729.80

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Solution

The fourth proportional to 3,808.32, 5,714.30 and 1,729.80 is: 2,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.32 : 5,714.30 = 1,729.80 : x
  2. Step 2: Convert to fraction form
    3,808.32/5,714.30 = 1,729.80/x
  3. Step 3: Cross multiply
    3,808.32x = 5,714.30 × 1,729.80
  4. Step 4: Simplify right side
    3,808.32x = 9,884,596.14
  5. Step 5: Solve for x
    x = 9,884,596.14/3,808.32
  6. Step 6: Final answer
    x = 2,595.53

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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.