Home / 3,017.12-4,525.70-825.80

Finding the Fourth Proportional to 3,017.12, 4,525.70 and 825.80

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Solution

The fourth proportional to 3,017.12, 4,525.70 and 825.80 is: 1,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.12 : 4,525.70 = 825.80 : x
  2. Step 2: Convert to fraction form
    3,017.12/4,525.70 = 825.80/x
  3. Step 3: Cross multiply
    3,017.12x = 4,525.70 × 825.80
  4. Step 4: Simplify right side
    3,017.12x = 3,737,323.06
  5. Step 5: Solve for x
    x = 3,737,323.06/3,017.12
  6. Step 6: Final answer
    x = 1,238.71

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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.