Home / 1,940.42-2,679.06-1,491.49

Finding the Fourth Proportional to 1,940.42, 2,679.06 and 1,491.49

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Solution

The fourth proportional to 1,940.42, 2,679.06 and 1,491.49 is: 2,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.42 : 2,679.06 = 1,491.49 : x
  2. Step 2: Convert to fraction form
    1,940.42/2,679.06 = 1,491.49/x
  3. Step 3: Cross multiply
    1,940.42x = 2,679.06 × 1,491.49
  4. Step 4: Simplify right side
    1,940.42x = 3,995,800.14
  5. Step 5: Solve for x
    x = 3,995,800.14/1,940.42
  6. Step 6: Final answer
    x = 2,059.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.