Home / 1,577.14-2,366.97-711.52

Finding the Fourth Proportional to 1,577.14, 2,366.97 and 711.52

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Solution

The fourth proportional to 1,577.14, 2,366.97 and 711.52 is: 1,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.14 : 2,366.97 = 711.52 : x
  2. Step 2: Convert to fraction form
    1,577.14/2,366.97 = 711.52/x
  3. Step 3: Cross multiply
    1,577.14x = 2,366.97 × 711.52
  4. Step 4: Simplify right side
    1,577.14x = 1,684,146.49
  5. Step 5: Solve for x
    x = 1,684,146.49/1,577.14
  6. Step 6: Final answer
    x = 1,067.85

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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.