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Finding the Fourth Proportional to 2,836.72, 4,254.90 and 888.88

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Solution

The fourth proportional to 2,836.72, 4,254.90 and 888.88 is: 1,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.72 : 4,254.90 = 888.88 : x
  2. Step 2: Convert to fraction form
    2,836.72/4,254.90 = 888.88/x
  3. Step 3: Cross multiply
    2,836.72x = 4,254.90 × 888.88
  4. Step 4: Simplify right side
    2,836.72x = 3,782,095.51
  5. Step 5: Solve for x
    x = 3,782,095.51/2,836.72
  6. Step 6: Final answer
    x = 1,333.26

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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.