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Finding the Fourth Proportional to 2,836.08, 4,254.72 and 888

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Solution

The fourth proportional to 2,836.08, 4,254.72 and 888 is: 1,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.08 : 4,254.72 = 888 : x
  2. Step 2: Convert to fraction form
    2,836.08/4,254.72 = 888/x
  3. Step 3: Cross multiply
    2,836.08x = 4,254.72 × 888
  4. Step 4: Simplify right side
    2,836.08x = 3,778,191.36
  5. Step 5: Solve for x
    x = 3,778,191.36/2,836.08
  6. Step 6: Final answer
    x = 1,332.19

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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.