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Finding the Fourth Proportional to 1,517.87, 2,094.71 and 888.46

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Solution

The fourth proportional to 1,517.87, 2,094.71 and 888.46 is: 1,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.87 : 2,094.71 = 888.46 : x
  2. Step 2: Convert to fraction form
    1,517.87/2,094.71 = 888.46/x
  3. Step 3: Cross multiply
    1,517.87x = 2,094.71 × 888.46
  4. Step 4: Simplify right side
    1,517.87x = 1,861,056.68
  5. Step 5: Solve for x
    x = 1,861,056.68/1,517.87
  6. Step 6: Final answer
    x = 1,226.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.