Home / 3,762.89-5,191.45-2,249.39

Finding the Fourth Proportional to 3,762.89, 5,191.45 and 2,249.39

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Solution

The fourth proportional to 3,762.89, 5,191.45 and 2,249.39 is: 3,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.89 : 5,191.45 = 2,249.39 : x
  2. Step 2: Convert to fraction form
    3,762.89/5,191.45 = 2,249.39/x
  3. Step 3: Cross multiply
    3,762.89x = 5,191.45 × 2,249.39
  4. Step 4: Simplify right side
    3,762.89x = 11,677,612.80
  5. Step 5: Solve for x
    x = 11,677,612.80/3,762.89
  6. Step 6: Final answer
    x = 3,103.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.