Home / 2,177.91-3,268.08-1,204.11

Finding the Fourth Proportional to 2,177.91, 3,268.08 and 1,204.11

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Solution

The fourth proportional to 2,177.91, 3,268.08 and 1,204.11 is: 1,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.91 : 3,268.08 = 1,204.11 : x
  2. Step 2: Convert to fraction form
    2,177.91/3,268.08 = 1,204.11/x
  3. Step 3: Cross multiply
    2,177.91x = 3,268.08 × 1,204.11
  4. Step 4: Simplify right side
    2,177.91x = 3,935,127.81
  5. Step 5: Solve for x
    x = 3,935,127.81/2,177.91
  6. Step 6: Final answer
    x = 1,806.84

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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.