Home / 3,400.82-5,101.98-2,015.42

Finding the Fourth Proportional to 3,400.82, 5,101.98 and 2,015.42

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Solution

The fourth proportional to 3,400.82, 5,101.98 and 2,015.42 is: 3,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.82 : 5,101.98 = 2,015.42 : x
  2. Step 2: Convert to fraction form
    3,400.82/5,101.98 = 2,015.42/x
  3. Step 3: Cross multiply
    3,400.82x = 5,101.98 × 2,015.42
  4. Step 4: Simplify right side
    3,400.82x = 10,282,632.53
  5. Step 5: Solve for x
    x = 10,282,632.53/3,400.82
  6. Step 6: Final answer
    x = 3,023.57

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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.