Home / 3,578.69-5,365.16-1,528.13

Finding the Fourth Proportional to 3,578.69, 5,365.16 and 1,528.13

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Solution

The fourth proportional to 3,578.69, 5,365.16 and 1,528.13 is: 2,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.69 : 5,365.16 = 1,528.13 : x
  2. Step 2: Convert to fraction form
    3,578.69/5,365.16 = 1,528.13/x
  3. Step 3: Cross multiply
    3,578.69x = 5,365.16 × 1,528.13
  4. Step 4: Simplify right side
    3,578.69x = 8,198,654.31
  5. Step 5: Solve for x
    x = 8,198,654.31/3,578.69
  6. Step 6: Final answer
    x = 2,290.97

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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.