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Finding the Fourth Proportional to 1,716.88, 2,574.18 and 884.48

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Solution

The fourth proportional to 1,716.88, 2,574.18 and 884.48 is: 1,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.88 : 2,574.18 = 884.48 : x
  2. Step 2: Convert to fraction form
    1,716.88/2,574.18 = 884.48/x
  3. Step 3: Cross multiply
    1,716.88x = 2,574.18 × 884.48
  4. Step 4: Simplify right side
    1,716.88x = 2,276,810.73
  5. Step 5: Solve for x
    x = 2,276,810.73/1,716.88
  6. Step 6: Final answer
    x = 1,326.13

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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.