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Finding the Fourth Proportional to 3,111.66, 4,667.49 and 1,797.41

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Solution

The fourth proportional to 3,111.66, 4,667.49 and 1,797.41 is: 2,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.66 : 4,667.49 = 1,797.41 : x
  2. Step 2: Convert to fraction form
    3,111.66/4,667.49 = 1,797.41/x
  3. Step 3: Cross multiply
    3,111.66x = 4,667.49 × 1,797.41
  4. Step 4: Simplify right side
    3,111.66x = 8,389,404.87
  5. Step 5: Solve for x
    x = 8,389,404.87/3,111.66
  6. Step 6: Final answer
    x = 2,696.12

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1.5x scale

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.