Home / 3,984.35-5,497.91-2,191.53

Finding the Fourth Proportional to 3,984.35, 5,497.91 and 2,191.53

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Solution

The fourth proportional to 3,984.35, 5,497.91 and 2,191.53 is: 3,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.35 : 5,497.91 = 2,191.53 : x
  2. Step 2: Convert to fraction form
    3,984.35/5,497.91 = 2,191.53/x
  3. Step 3: Cross multiply
    3,984.35x = 5,497.91 × 2,191.53
  4. Step 4: Simplify right side
    3,984.35x = 12,048,807.21
  5. Step 5: Solve for x
    x = 12,048,807.21/3,984.35
  6. Step 6: Final answer
    x = 3,024.04

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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.