Home / 2,682.34-4,023.01-1,121.92

Finding the Fourth Proportional to 2,682.34, 4,023.01 and 1,121.92

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Solution

The fourth proportional to 2,682.34, 4,023.01 and 1,121.92 is: 1,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.34 : 4,023.01 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    2,682.34/4,023.01 = 1,121.92/x
  3. Step 3: Cross multiply
    2,682.34x = 4,023.01 × 1,121.92
  4. Step 4: Simplify right side
    2,682.34x = 4,513,495.38
  5. Step 5: Solve for x
    x = 4,513,495.38/2,682.34
  6. Step 6: Final answer
    x = 1,682.67

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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.