Home / 3,988.96-5,984.39-2,529.34

Finding the Fourth Proportional to 3,988.96, 5,984.39 and 2,529.34

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Solution

The fourth proportional to 3,988.96, 5,984.39 and 2,529.34 is: 3,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.96 : 5,984.39 = 2,529.34 : x
  2. Step 2: Convert to fraction form
    3,988.96/5,984.39 = 2,529.34/x
  3. Step 3: Cross multiply
    3,988.96x = 5,984.39 × 2,529.34
  4. Step 4: Simplify right side
    3,988.96x = 15,136,557.00
  5. Step 5: Solve for x
    x = 15,136,557.00/3,988.96
  6. Step 6: Final answer
    x = 3,794.61

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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.