Home / 2,491.44-3,735-2,100.48

Finding the Fourth Proportional to 2,491.44, 3,735 and 2,100.48

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Solution

The fourth proportional to 2,491.44, 3,735 and 2,100.48 is: 3,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.44 : 3,735 = 2,100.48 : x
  2. Step 2: Convert to fraction form
    2,491.44/3,735 = 2,100.48/x
  3. Step 3: Cross multiply
    2,491.44x = 3,735 × 2,100.48
  4. Step 4: Simplify right side
    2,491.44x = 7,845,292.80
  5. Step 5: Solve for x
    x = 7,845,292.80/2,491.44
  6. Step 6: Final answer
    x = 3,148.90

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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.