Home / 3,864.36-5,790.36-2,012.76

Finding the Fourth Proportional to 3,864.36, 5,790.36 and 2,012.76

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Solution

The fourth proportional to 3,864.36, 5,790.36 and 2,012.76 is: 3,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.36 : 5,790.36 = 2,012.76 : x
  2. Step 2: Convert to fraction form
    3,864.36/5,790.36 = 2,012.76/x
  3. Step 3: Cross multiply
    3,864.36x = 5,790.36 × 2,012.76
  4. Step 4: Simplify right side
    3,864.36x = 11,654,604.99
  5. Step 5: Solve for x
    x = 11,654,604.99/3,864.36
  6. Step 6: Final answer
    x = 3,015.92

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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.