Home / 3,625.77-5,439.51-1,028.64

Finding the Fourth Proportional to 3,625.77, 5,439.51 and 1,028.64

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Solution

The fourth proportional to 3,625.77, 5,439.51 and 1,028.64 is: 1,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.77 : 5,439.51 = 1,028.64 : x
  2. Step 2: Convert to fraction form
    3,625.77/5,439.51 = 1,028.64/x
  3. Step 3: Cross multiply
    3,625.77x = 5,439.51 × 1,028.64
  4. Step 4: Simplify right side
    3,625.77x = 5,595,297.57
  5. Step 5: Solve for x
    x = 5,595,297.57/3,625.77
  6. Step 6: Final answer
    x = 1,543.20

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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.