Home / 2,491.11-3,438.03-1,496.90

Finding the Fourth Proportional to 2,491.11, 3,438.03 and 1,496.90

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Solution

The fourth proportional to 2,491.11, 3,438.03 and 1,496.90 is: 2,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.11 : 3,438.03 = 1,496.90 : x
  2. Step 2: Convert to fraction form
    2,491.11/3,438.03 = 1,496.90/x
  3. Step 3: Cross multiply
    2,491.11x = 3,438.03 × 1,496.90
  4. Step 4: Simplify right side
    2,491.11x = 5,146,369.92
  5. Step 5: Solve for x
    x = 5,146,369.92/2,491.11
  6. Step 6: Final answer
    x = 2,065.89

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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.