Home / 3,839.18-5,758.74-1,065.89

Finding the Fourth Proportional to 3,839.18, 5,758.74 and 1,065.89

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Solution

The fourth proportional to 3,839.18, 5,758.74 and 1,065.89 is: 1,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.18 : 5,758.74 = 1,065.89 : x
  2. Step 2: Convert to fraction form
    3,839.18/5,758.74 = 1,065.89/x
  3. Step 3: Cross multiply
    3,839.18x = 5,758.74 × 1,065.89
  4. Step 4: Simplify right side
    3,839.18x = 6,138,183.38
  5. Step 5: Solve for x
    x = 6,138,183.38/3,839.18
  6. Step 6: Final answer
    x = 1,598.83

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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.