Home / 2,419.11-3,631.92-1,433.76

Finding the Fourth Proportional to 2,419.11, 3,631.92 and 1,433.76

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Solution

The fourth proportional to 2,419.11, 3,631.92 and 1,433.76 is: 2,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.11 : 3,631.92 = 1,433.76 : x
  2. Step 2: Convert to fraction form
    2,419.11/3,631.92 = 1,433.76/x
  3. Step 3: Cross multiply
    2,419.11x = 3,631.92 × 1,433.76
  4. Step 4: Simplify right side
    2,419.11x = 5,207,301.62
  5. Step 5: Solve for x
    x = 5,207,301.62/2,419.11
  6. Step 6: Final answer
    x = 2,152.57

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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.