Home / 3,331.56-4,993.14-1,688.52

Finding the Fourth Proportional to 3,331.56, 4,993.14 and 1,688.52

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Solution

The fourth proportional to 3,331.56, 4,993.14 and 1,688.52 is: 2,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.56 : 4,993.14 = 1,688.52 : x
  2. Step 2: Convert to fraction form
    3,331.56/4,993.14 = 1,688.52/x
  3. Step 3: Cross multiply
    3,331.56x = 4,993.14 × 1,688.52
  4. Step 4: Simplify right side
    3,331.56x = 8,431,016.75
  5. Step 5: Solve for x
    x = 8,431,016.75/3,331.56
  6. Step 6: Final answer
    x = 2,530.65

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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.