Home / 2,249.20-3,104.22-1,365.40

Finding the Fourth Proportional to 2,249.20, 3,104.22 and 1,365.40

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Solution

The fourth proportional to 2,249.20, 3,104.22 and 1,365.40 is: 1,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.20 : 3,104.22 = 1,365.40 : x
  2. Step 2: Convert to fraction form
    2,249.20/3,104.22 = 1,365.40/x
  3. Step 3: Cross multiply
    2,249.20x = 3,104.22 × 1,365.40
  4. Step 4: Simplify right side
    2,249.20x = 4,238,501.99
  5. Step 5: Solve for x
    x = 4,238,501.99/2,249.20
  6. Step 6: Final answer
    x = 1,884.45

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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.