Home / 3,511.74-5,268.57-1,171.95

Finding the Fourth Proportional to 3,511.74, 5,268.57 and 1,171.95

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Solution

The fourth proportional to 3,511.74, 5,268.57 and 1,171.95 is: 1,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.74 : 5,268.57 = 1,171.95 : x
  2. Step 2: Convert to fraction form
    3,511.74/5,268.57 = 1,171.95/x
  3. Step 3: Cross multiply
    3,511.74x = 5,268.57 × 1,171.95
  4. Step 4: Simplify right side
    3,511.74x = 6,174,500.61
  5. Step 5: Solve for x
    x = 6,174,500.61/3,511.74
  6. Step 6: Final answer
    x = 1,758.25

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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.