Home / 2,249.64-3,102.30-2,003.40

Finding the Fourth Proportional to 2,249.64, 3,102.30 and 2,003.40

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Solution

The fourth proportional to 2,249.64, 3,102.30 and 2,003.40 is: 2,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.64 : 3,102.30 = 2,003.40 : x
  2. Step 2: Convert to fraction form
    2,249.64/3,102.30 = 2,003.40/x
  3. Step 3: Cross multiply
    2,249.64x = 3,102.30 × 2,003.40
  4. Step 4: Simplify right side
    2,249.64x = 6,215,147.82
  5. Step 5: Solve for x
    x = 6,215,147.82/2,249.64
  6. Step 6: Final answer
    x = 2,762.73

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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.