Home / 2,622.29-3,935.87-1,324.67

Finding the Fourth Proportional to 2,622.29, 3,935.87 and 1,324.67

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Solution

The fourth proportional to 2,622.29, 3,935.87 and 1,324.67 is: 1,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.29 : 3,935.87 = 1,324.67 : x
  2. Step 2: Convert to fraction form
    2,622.29/3,935.87 = 1,324.67/x
  3. Step 3: Cross multiply
    2,622.29x = 3,935.87 × 1,324.67
  4. Step 4: Simplify right side
    2,622.29x = 5,213,728.91
  5. Step 5: Solve for x
    x = 5,213,728.91/2,622.29
  6. Step 6: Final answer
    x = 1,988.24

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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.