Home / 2,162.88-3,244.26-929.67

Finding the Fourth Proportional to 2,162.88, 3,244.26 and 929.67

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Solution

The fourth proportional to 2,162.88, 3,244.26 and 929.67 is: 1,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.88 : 3,244.26 = 929.67 : x
  2. Step 2: Convert to fraction form
    2,162.88/3,244.26 = 929.67/x
  3. Step 3: Cross multiply
    2,162.88x = 3,244.26 × 929.67
  4. Step 4: Simplify right side
    2,162.88x = 3,016,091.19
  5. Step 5: Solve for x
    x = 3,016,091.19/2,162.88
  6. Step 6: Final answer
    x = 1,394.48

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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.