Home / 2,222.64-3,336.84-1,402.56

Finding the Fourth Proportional to 2,222.64, 3,336.84 and 1,402.56

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Solution

The fourth proportional to 2,222.64, 3,336.84 and 1,402.56 is: 2,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.64 : 3,336.84 = 1,402.56 : x
  2. Step 2: Convert to fraction form
    2,222.64/3,336.84 = 1,402.56/x
  3. Step 3: Cross multiply
    2,222.64x = 3,336.84 × 1,402.56
  4. Step 4: Simplify right side
    2,222.64x = 4,680,118.31
  5. Step 5: Solve for x
    x = 4,680,118.31/2,222.64
  6. Step 6: Final answer
    x = 2,105.66

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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.