Home / 2,491.14-3,731.85-1,940.75

Finding the Fourth Proportional to 2,491.14, 3,731.85 and 1,940.75

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Solution

The fourth proportional to 2,491.14, 3,731.85 and 1,940.75 is: 2,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.14 : 3,731.85 = 1,940.75 : x
  2. Step 2: Convert to fraction form
    2,491.14/3,731.85 = 1,940.75/x
  3. Step 3: Cross multiply
    2,491.14x = 3,731.85 × 1,940.75
  4. Step 4: Simplify right side
    2,491.14x = 7,242,587.89
  5. Step 5: Solve for x
    x = 7,242,587.89/2,491.14
  6. Step 6: Final answer
    x = 2,907.34

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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.