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Finding the Fourth Proportional to 2,222.76, 3,333.45 and 836.29

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Solution

The fourth proportional to 2,222.76, 3,333.45 and 836.29 is: 1,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.76 : 3,333.45 = 836.29 : x
  2. Step 2: Convert to fraction form
    2,222.76/3,333.45 = 836.29/x
  3. Step 3: Cross multiply
    2,222.76x = 3,333.45 × 836.29
  4. Step 4: Simplify right side
    2,222.76x = 2,787,730.90
  5. Step 5: Solve for x
    x = 2,787,730.90/2,222.76
  6. Step 6: Final answer
    x = 1,254.18

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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.