Home / 3,134.36-4,324.20-2,015.14

Finding the Fourth Proportional to 3,134.36, 4,324.20 and 2,015.14

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Solution

The fourth proportional to 3,134.36, 4,324.20 and 2,015.14 is: 2,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.36 : 4,324.20 = 2,015.14 : x
  2. Step 2: Convert to fraction form
    3,134.36/4,324.20 = 2,015.14/x
  3. Step 3: Cross multiply
    3,134.36x = 4,324.20 × 2,015.14
  4. Step 4: Simplify right side
    3,134.36x = 8,713,868.39
  5. Step 5: Solve for x
    x = 8,713,868.39/3,134.36
  6. Step 6: Final answer
    x = 2,780.11

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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.