Home / 3,616.14-5,423.76-1,151.21

Finding the Fourth Proportional to 3,616.14, 5,423.76 and 1,151.21

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Solution

The fourth proportional to 3,616.14, 5,423.76 and 1,151.21 is: 1,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.14 : 5,423.76 = 1,151.21 : x
  2. Step 2: Convert to fraction form
    3,616.14/5,423.76 = 1,151.21/x
  3. Step 3: Cross multiply
    3,616.14x = 5,423.76 × 1,151.21
  4. Step 4: Simplify right side
    3,616.14x = 6,243,900.31
  5. Step 5: Solve for x
    x = 6,243,900.31/3,616.14
  6. Step 6: Final answer
    x = 1,726.67

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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.