Home / 2,578.13-3,866.87-1,097.94

Finding the Fourth Proportional to 2,578.13, 3,866.87 and 1,097.94

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Solution

The fourth proportional to 2,578.13, 3,866.87 and 1,097.94 is: 1,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.13 : 3,866.87 = 1,097.94 : x
  2. Step 2: Convert to fraction form
    2,578.13/3,866.87 = 1,097.94/x
  3. Step 3: Cross multiply
    2,578.13x = 3,866.87 × 1,097.94
  4. Step 4: Simplify right side
    2,578.13x = 4,245,585.76
  5. Step 5: Solve for x
    x = 4,245,585.76/2,578.13
  6. Step 6: Final answer
    x = 1,646.77

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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.