Home / 3,864.38-5,784.08-2,012.85

Finding the Fourth Proportional to 3,864.38, 5,784.08 and 2,012.85

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Solution

The fourth proportional to 3,864.38, 5,784.08 and 2,012.85 is: 3,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.38 : 5,784.08 = 2,012.85 : x
  2. Step 2: Convert to fraction form
    3,864.38/5,784.08 = 2,012.85/x
  3. Step 3: Cross multiply
    3,864.38x = 5,784.08 × 2,012.85
  4. Step 4: Simplify right side
    3,864.38x = 11,642,475.36
  5. Step 5: Solve for x
    x = 11,642,475.36/3,864.38
  6. Step 6: Final answer
    x = 3,012.77

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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.