Home / 3,578.58-5,363.15-1,726.31

Finding the Fourth Proportional to 3,578.58, 5,363.15 and 1,726.31

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Solution

The fourth proportional to 3,578.58, 5,363.15 and 1,726.31 is: 2,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.58 : 5,363.15 = 1,726.31 : x
  2. Step 2: Convert to fraction form
    3,578.58/5,363.15 = 1,726.31/x
  3. Step 3: Cross multiply
    3,578.58x = 5,363.15 × 1,726.31
  4. Step 4: Simplify right side
    3,578.58x = 9,258,464.25
  5. Step 5: Solve for x
    x = 9,258,464.25/3,578.58
  6. Step 6: Final answer
    x = 2,587.19

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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.