Home / 2,491.67-3,743.88-1,881.13

Finding the Fourth Proportional to 2,491.67, 3,743.88 and 1,881.13

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Solution

The fourth proportional to 2,491.67, 3,743.88 and 1,881.13 is: 2,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.67 : 3,743.88 = 1,881.13 : x
  2. Step 2: Convert to fraction form
    2,491.67/3,743.88 = 1,881.13/x
  3. Step 3: Cross multiply
    2,491.67x = 3,743.88 × 1,881.13
  4. Step 4: Simplify right side
    2,491.67x = 7,042,724.98
  5. Step 5: Solve for x
    x = 7,042,724.98/2,491.67
  6. Step 6: Final answer
    x = 2,826.51

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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.