Home / 2,010.62-3,011.78-1,491.21

Finding the Fourth Proportional to 2,010.62, 3,011.78 and 1,491.21

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Solution

The fourth proportional to 2,010.62, 3,011.78 and 1,491.21 is: 2,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.62 : 3,011.78 = 1,491.21 : x
  2. Step 2: Convert to fraction form
    2,010.62/3,011.78 = 1,491.21/x
  3. Step 3: Cross multiply
    2,010.62x = 3,011.78 × 1,491.21
  4. Step 4: Simplify right side
    2,010.62x = 4,491,200.18
  5. Step 5: Solve for x
    x = 4,491,200.18/2,010.62
  6. Step 6: Final answer
    x = 2,233.74

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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.