Home / 3,101.13-4,651.99-1,021.16

Finding the Fourth Proportional to 3,101.13, 4,651.99 and 1,021.16

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Solution

The fourth proportional to 3,101.13, 4,651.99 and 1,021.16 is: 1,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.13 : 4,651.99 = 1,021.16 : x
  2. Step 2: Convert to fraction form
    3,101.13/4,651.99 = 1,021.16/x
  3. Step 3: Cross multiply
    3,101.13x = 4,651.99 × 1,021.16
  4. Step 4: Simplify right side
    3,101.13x = 4,750,400.30
  5. Step 5: Solve for x
    x = 4,750,400.30/3,101.13
  6. Step 6: Final answer
    x = 1,531.83

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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.