Home / 2,240.69-3,361.05-1,266.57

Finding the Fourth Proportional to 2,240.69, 3,361.05 and 1,266.57

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Solution

The fourth proportional to 2,240.69, 3,361.05 and 1,266.57 is: 1,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.69 : 3,361.05 = 1,266.57 : x
  2. Step 2: Convert to fraction form
    2,240.69/3,361.05 = 1,266.57/x
  3. Step 3: Cross multiply
    2,240.69x = 3,361.05 × 1,266.57
  4. Step 4: Simplify right side
    2,240.69x = 4,257,005.10
  5. Step 5: Solve for x
    x = 4,257,005.10/2,240.69
  6. Step 6: Final answer
    x = 1,899.86

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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.