Home / 3,486.13-5,230.23-1,020.96

Finding the Fourth Proportional to 3,486.13, 5,230.23 and 1,020.96

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Solution

The fourth proportional to 3,486.13, 5,230.23 and 1,020.96 is: 1,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.13 : 5,230.23 = 1,020.96 : x
  2. Step 2: Convert to fraction form
    3,486.13/5,230.23 = 1,020.96/x
  3. Step 3: Cross multiply
    3,486.13x = 5,230.23 × 1,020.96
  4. Step 4: Simplify right side
    3,486.13x = 5,339,855.62
  5. Step 5: Solve for x
    x = 5,339,855.62/3,486.13
  6. Step 6: Final answer
    x = 1,531.74

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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.