Home / 3,501.18-5,249.88-2,181.69

Finding the Fourth Proportional to 3,501.18, 5,249.88 and 2,181.69

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Solution

The fourth proportional to 3,501.18, 5,249.88 and 2,181.69 is: 3,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.18 : 5,249.88 = 2,181.69 : x
  2. Step 2: Convert to fraction form
    3,501.18/5,249.88 = 2,181.69/x
  3. Step 3: Cross multiply
    3,501.18x = 5,249.88 × 2,181.69
  4. Step 4: Simplify right side
    3,501.18x = 11,453,610.70
  5. Step 5: Solve for x
    x = 11,453,610.70/3,501.18
  6. Step 6: Final answer
    x = 3,271.36

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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.