Home / 3,491.07-5,238.39-2,321.87

Finding the Fourth Proportional to 3,491.07, 5,238.39 and 2,321.87

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Solution

The fourth proportional to 3,491.07, 5,238.39 and 2,321.87 is: 3,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.07 : 5,238.39 = 2,321.87 : x
  2. Step 2: Convert to fraction form
    3,491.07/5,238.39 = 2,321.87/x
  3. Step 3: Cross multiply
    3,491.07x = 5,238.39 × 2,321.87
  4. Step 4: Simplify right side
    3,491.07x = 12,162,873.69
  5. Step 5: Solve for x
    x = 12,162,873.69/3,491.07
  6. Step 6: Final answer
    x = 3,484.00

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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.