Home / 2,321.16-3,477.38-1,149.80

Finding the Fourth Proportional to 2,321.16, 3,477.38 and 1,149.80

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Solution

The fourth proportional to 2,321.16, 3,477.38 and 1,149.80 is: 1,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.16 : 3,477.38 = 1,149.80 : x
  2. Step 2: Convert to fraction form
    2,321.16/3,477.38 = 1,149.80/x
  3. Step 3: Cross multiply
    2,321.16x = 3,477.38 × 1,149.80
  4. Step 4: Simplify right side
    2,321.16x = 3,998,291.52
  5. Step 5: Solve for x
    x = 3,998,291.52/2,321.16
  6. Step 6: Final answer
    x = 1,722.54

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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.