Home / 3,511.10-5,267.60-1,171.48

Finding the Fourth Proportional to 3,511.10, 5,267.60 and 1,171.48

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Solution

The fourth proportional to 3,511.10, 5,267.60 and 1,171.48 is: 1,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.10 : 5,267.60 = 1,171.48 : x
  2. Step 2: Convert to fraction form
    3,511.10/5,267.60 = 1,171.48/x
  3. Step 3: Cross multiply
    3,511.10x = 5,267.60 × 1,171.48
  4. Step 4: Simplify right side
    3,511.10x = 6,170,888.05
  5. Step 5: Solve for x
    x = 6,170,888.05/3,511.10
  6. Step 6: Final answer
    x = 1,757.54

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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.