Home / 3,393.86-5,090.76-2,231.19

Finding the Fourth Proportional to 3,393.86, 5,090.76 and 2,231.19

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Solution

The fourth proportional to 3,393.86, 5,090.76 and 2,231.19 is: 3,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.86 : 5,090.76 = 2,231.19 : x
  2. Step 2: Convert to fraction form
    3,393.86/5,090.76 = 2,231.19/x
  3. Step 3: Cross multiply
    3,393.86x = 5,090.76 × 2,231.19
  4. Step 4: Simplify right side
    3,393.86x = 11,358,452.80
  5. Step 5: Solve for x
    x = 11,358,452.80/3,393.86
  6. Step 6: Final answer
    x = 3,346.77

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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.