Home / 3,984.60-5,979.54-3,687.48

Finding the Fourth Proportional to 3,984.60, 5,979.54 and 3,687.48

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Solution

The fourth proportional to 3,984.60, 5,979.54 and 3,687.48 is: 5,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.60 : 5,979.54 = 3,687.48 : x
  2. Step 2: Convert to fraction form
    3,984.60/5,979.54 = 3,687.48/x
  3. Step 3: Cross multiply
    3,984.60x = 5,979.54 × 3,687.48
  4. Step 4: Simplify right side
    3,984.60x = 22,049,434.16
  5. Step 5: Solve for x
    x = 22,049,434.16/3,984.60
  6. Step 6: Final answer
    x = 5,533.66

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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.