Home / 3,017.22-4,525.57-825.90

Finding the Fourth Proportional to 3,017.22, 4,525.57 and 825.90

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Solution

The fourth proportional to 3,017.22, 4,525.57 and 825.90 is: 1,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.22 : 4,525.57 = 825.90 : x
  2. Step 2: Convert to fraction form
    3,017.22/4,525.57 = 825.90/x
  3. Step 3: Cross multiply
    3,017.22x = 4,525.57 × 825.90
  4. Step 4: Simplify right side
    3,017.22x = 3,737,652.32
  5. Step 5: Solve for x
    x = 3,737,652.32/3,017.22
  6. Step 6: Final answer
    x = 1,238.78

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1.5x scale

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.