Home / 3,984.65-5,499.99-2,491.68

Finding the Fourth Proportional to 3,984.65, 5,499.99 and 2,491.68

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Solution

The fourth proportional to 3,984.65, 5,499.99 and 2,491.68 is: 3,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.65 : 5,499.99 = 2,491.68 : x
  2. Step 2: Convert to fraction form
    3,984.65/5,499.99 = 2,491.68/x
  3. Step 3: Cross multiply
    3,984.65x = 5,499.99 × 2,491.68
  4. Step 4: Simplify right side
    3,984.65x = 13,704,215.08
  5. Step 5: Solve for x
    x = 13,704,215.08/3,984.65
  6. Step 6: Final answer
    x = 3,439.26

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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.