Home / 3,972.30-5,952.37-2,123.67

Finding the Fourth Proportional to 3,972.30, 5,952.37 and 2,123.67

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Solution

The fourth proportional to 3,972.30, 5,952.37 and 2,123.67 is: 3,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.30 : 5,952.37 = 2,123.67 : x
  2. Step 2: Convert to fraction form
    3,972.30/5,952.37 = 2,123.67/x
  3. Step 3: Cross multiply
    3,972.30x = 5,952.37 × 2,123.67
  4. Step 4: Simplify right side
    3,972.30x = 12,640,869.60
  5. Step 5: Solve for x
    x = 12,640,869.60/3,972.30
  6. Step 6: Final answer
    x = 3,182.25

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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.