Home / 2,814.64-4,221.90-1,524.28

Finding the Fourth Proportional to 2,814.64, 4,221.90 and 1,524.28

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Solution

The fourth proportional to 2,814.64, 4,221.90 and 1,524.28 is: 2,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.64 : 4,221.90 = 1,524.28 : x
  2. Step 2: Convert to fraction form
    2,814.64/4,221.90 = 1,524.28/x
  3. Step 3: Cross multiply
    2,814.64x = 4,221.90 × 1,524.28
  4. Step 4: Simplify right side
    2,814.64x = 6,435,357.73
  5. Step 5: Solve for x
    x = 6,435,357.73/2,814.64
  6. Step 6: Final answer
    x = 2,286.39

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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.