Home / 3,578.58-5,327.78-3,561.26

Finding the Fourth Proportional to 3,578.58, 5,327.78 and 3,561.26

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Solution

The fourth proportional to 3,578.58, 5,327.78 and 3,561.26 is: 5,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.58 : 5,327.78 = 3,561.26 : x
  2. Step 2: Convert to fraction form
    3,578.58/5,327.78 = 3,561.26/x
  3. Step 3: Cross multiply
    3,578.58x = 5,327.78 × 3,561.26
  4. Step 4: Simplify right side
    3,578.58x = 18,973,565.36
  5. Step 5: Solve for x
    x = 18,973,565.36/3,578.58
  6. Step 6: Final answer
    x = 5,301.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.