Home / 2,144.13-3,218.18-1,324.01

Finding the Fourth Proportional to 2,144.13, 3,218.18 and 1,324.01

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Solution

The fourth proportional to 2,144.13, 3,218.18 and 1,324.01 is: 1,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.13 : 3,218.18 = 1,324.01 : x
  2. Step 2: Convert to fraction form
    2,144.13/3,218.18 = 1,324.01/x
  3. Step 3: Cross multiply
    2,144.13x = 3,218.18 × 1,324.01
  4. Step 4: Simplify right side
    2,144.13x = 4,260,902.50
  5. Step 5: Solve for x
    x = 4,260,902.50/2,144.13
  6. Step 6: Final answer
    x = 1,987.24

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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.