Home / 2,836.43-4,254.64-888.78

Finding the Fourth Proportional to 2,836.43, 4,254.64 and 888.78

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Solution

The fourth proportional to 2,836.43, 4,254.64 and 888.78 is: 1,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.43 : 4,254.64 = 888.78 : x
  2. Step 2: Convert to fraction form
    2,836.43/4,254.64 = 888.78/x
  3. Step 3: Cross multiply
    2,836.43x = 4,254.64 × 888.78
  4. Step 4: Simplify right side
    2,836.43x = 3,781,438.94
  5. Step 5: Solve for x
    x = 3,781,438.94/2,836.43
  6. Step 6: Final answer
    x = 1,333.17

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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.