Home / 2,491.18-3,438-1,496.44

Finding the Fourth Proportional to 2,491.18, 3,438 and 1,496.44

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Solution

The fourth proportional to 2,491.18, 3,438 and 1,496.44 is: 2,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.18 : 3,438 = 1,496.44 : x
  2. Step 2: Convert to fraction form
    2,491.18/3,438 = 1,496.44/x
  3. Step 3: Cross multiply
    2,491.18x = 3,438 × 1,496.44
  4. Step 4: Simplify right side
    2,491.18x = 5,144,760.72
  5. Step 5: Solve for x
    x = 5,144,760.72/2,491.18
  6. Step 6: Final answer
    x = 2,065.19

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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.