Home / 3,814.56-5,718.20-1,472.85

Finding the Fourth Proportional to 3,814.56, 5,718.20 and 1,472.85

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Solution

The fourth proportional to 3,814.56, 5,718.20 and 1,472.85 is: 2,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.56 : 5,718.20 = 1,472.85 : x
  2. Step 2: Convert to fraction form
    3,814.56/5,718.20 = 1,472.85/x
  3. Step 3: Cross multiply
    3,814.56x = 5,718.20 × 1,472.85
  4. Step 4: Simplify right side
    3,814.56x = 8,422,043.51
  5. Step 5: Solve for x
    x = 8,422,043.51/3,814.56
  6. Step 6: Final answer
    x = 2,207.87

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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.