Home / 2,144.36-3,215.26-1,119.08

Finding the Fourth Proportional to 2,144.36, 3,215.26 and 1,119.08

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Solution

The fourth proportional to 2,144.36, 3,215.26 and 1,119.08 is: 1,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.36 : 3,215.26 = 1,119.08 : x
  2. Step 2: Convert to fraction form
    2,144.36/3,215.26 = 1,119.08/x
  3. Step 3: Cross multiply
    2,144.36x = 3,215.26 × 1,119.08
  4. Step 4: Simplify right side
    2,144.36x = 3,598,133.16
  5. Step 5: Solve for x
    x = 3,598,133.16/2,144.36
  6. Step 6: Final answer
    x = 1,677.95

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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.