Home / 1,717.52-2,577.42-1,578.11

Finding the Fourth Proportional to 1,717.52, 2,577.42 and 1,578.11

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Solution

The fourth proportional to 1,717.52, 2,577.42 and 1,578.11 is: 2,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.52 : 2,577.42 = 1,578.11 : x
  2. Step 2: Convert to fraction form
    1,717.52/2,577.42 = 1,578.11/x
  3. Step 3: Cross multiply
    1,717.52x = 2,577.42 × 1,578.11
  4. Step 4: Simplify right side
    1,717.52x = 4,067,439.39
  5. Step 5: Solve for x
    x = 4,067,439.39/1,717.52
  6. Step 6: Final answer
    x = 2,368.21

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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.