Home / 2,418.68-3,626.54-1,011.40

Finding the Fourth Proportional to 2,418.68, 3,626.54 and 1,011.40

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Solution

The fourth proportional to 2,418.68, 3,626.54 and 1,011.40 is: 1,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.68 : 3,626.54 = 1,011.40 : x
  2. Step 2: Convert to fraction form
    2,418.68/3,626.54 = 1,011.40/x
  3. Step 3: Cross multiply
    2,418.68x = 3,626.54 × 1,011.40
  4. Step 4: Simplify right side
    2,418.68x = 3,667,882.56
  5. Step 5: Solve for x
    x = 3,667,882.56/2,418.68
  6. Step 6: Final answer
    x = 1,516.48

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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.