Home / 3,511.42-5,267.19-1,171.39

Finding the Fourth Proportional to 3,511.42, 5,267.19 and 1,171.39

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Solution

The fourth proportional to 3,511.42, 5,267.19 and 1,171.39 is: 1,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.42 : 5,267.19 = 1,171.39 : x
  2. Step 2: Convert to fraction form
    3,511.42/5,267.19 = 1,171.39/x
  3. Step 3: Cross multiply
    3,511.42x = 5,267.19 × 1,171.39
  4. Step 4: Simplify right side
    3,511.42x = 6,169,933.69
  5. Step 5: Solve for x
    x = 6,169,933.69/3,511.42
  6. Step 6: Final answer
    x = 1,757.11

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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.