Home / 3,522.70-5,281.31-1,443.23

Finding the Fourth Proportional to 3,522.70, 5,281.31 and 1,443.23

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Solution

The fourth proportional to 3,522.70, 5,281.31 and 1,443.23 is: 2,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.70 : 5,281.31 = 1,443.23 : x
  2. Step 2: Convert to fraction form
    3,522.70/5,281.31 = 1,443.23/x
  3. Step 3: Cross multiply
    3,522.70x = 5,281.31 × 1,443.23
  4. Step 4: Simplify right side
    3,522.70x = 7,622,118.62
  5. Step 5: Solve for x
    x = 7,622,118.62/3,522.70
  6. Step 6: Final answer
    x = 2,163.72

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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.