Home / 2,088.20-2,882.03-1,203.81

Finding the Fourth Proportional to 2,088.20, 2,882.03 and 1,203.81

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Solution

The fourth proportional to 2,088.20, 2,882.03 and 1,203.81 is: 1,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.20 : 2,882.03 = 1,203.81 : x
  2. Step 2: Convert to fraction form
    2,088.20/2,882.03 = 1,203.81/x
  3. Step 3: Cross multiply
    2,088.20x = 2,882.03 × 1,203.81
  4. Step 4: Simplify right side
    2,088.20x = 3,469,410.52
  5. Step 5: Solve for x
    x = 3,469,410.52/2,088.20
  6. Step 6: Final answer
    x = 1,661.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.