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Finding the Fourth Proportional to 1,720.94, 2,568.94 and 1,473.08

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Solution

The fourth proportional to 1,720.94, 2,568.94 and 1,473.08 is: 2,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.94 : 2,568.94 = 1,473.08 : x
  2. Step 2: Convert to fraction form
    1,720.94/2,568.94 = 1,473.08/x
  3. Step 3: Cross multiply
    1,720.94x = 2,568.94 × 1,473.08
  4. Step 4: Simplify right side
    1,720.94x = 3,784,254.14
  5. Step 5: Solve for x
    x = 3,784,254.14/1,720.94
  6. Step 6: Final answer
    x = 2,198.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.