Home / 3,984.74-5,975.08-1,351.44

Finding the Fourth Proportional to 3,984.74, 5,975.08 and 1,351.44

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Solution

The fourth proportional to 3,984.74, 5,975.08 and 1,351.44 is: 2,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.74 : 5,975.08 = 1,351.44 : x
  2. Step 2: Convert to fraction form
    3,984.74/5,975.08 = 1,351.44/x
  3. Step 3: Cross multiply
    3,984.74x = 5,975.08 × 1,351.44
  4. Step 4: Simplify right side
    3,984.74x = 8,074,962.12
  5. Step 5: Solve for x
    x = 8,074,962.12/3,984.74
  6. Step 6: Final answer
    x = 2,026.47

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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.