Home / 3,017.32-4,525.45-825.53

Finding the Fourth Proportional to 3,017.32, 4,525.45 and 825.53

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Solution

The fourth proportional to 3,017.32, 4,525.45 and 825.53 is: 1,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.32 : 4,525.45 = 825.53 : x
  2. Step 2: Convert to fraction form
    3,017.32/4,525.45 = 825.53/x
  3. Step 3: Cross multiply
    3,017.32x = 4,525.45 × 825.53
  4. Step 4: Simplify right side
    3,017.32x = 3,735,874.69
  5. Step 5: Solve for x
    x = 3,735,874.69/3,017.32
  6. Step 6: Final answer
    x = 1,238.14

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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.