Home / 3,572.29-5,354.29-2,112.67

Finding the Fourth Proportional to 3,572.29, 5,354.29 and 2,112.67

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Solution

The fourth proportional to 3,572.29, 5,354.29 and 2,112.67 is: 3,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.29 : 5,354.29 = 2,112.67 : x
  2. Step 2: Convert to fraction form
    3,572.29/5,354.29 = 2,112.67/x
  3. Step 3: Cross multiply
    3,572.29x = 5,354.29 × 2,112.67
  4. Step 4: Simplify right side
    3,572.29x = 11,311,837.11
  5. Step 5: Solve for x
    x = 11,311,837.11/3,572.29
  6. Step 6: Final answer
    x = 3,166.55

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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.