Home / 3,551.11-5,326.64-1,085.92

Finding the Fourth Proportional to 3,551.11, 5,326.64 and 1,085.92

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Solution

The fourth proportional to 3,551.11, 5,326.64 and 1,085.92 is: 1,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.11 : 5,326.64 = 1,085.92 : x
  2. Step 2: Convert to fraction form
    3,551.11/5,326.64 = 1,085.92/x
  3. Step 3: Cross multiply
    3,551.11x = 5,326.64 × 1,085.92
  4. Step 4: Simplify right side
    3,551.11x = 5,784,304.91
  5. Step 5: Solve for x
    x = 5,784,304.91/3,551.11
  6. Step 6: Final answer
    x = 1,628.87

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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.