Home / 3,984.02-5,976.03-1,386.26

Finding the Fourth Proportional to 3,984.02, 5,976.03 and 1,386.26

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Solution

The fourth proportional to 3,984.02, 5,976.03 and 1,386.26 is: 2,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.02 : 5,976.03 = 1,386.26 : x
  2. Step 2: Convert to fraction form
    3,984.02/5,976.03 = 1,386.26/x
  3. Step 3: Cross multiply
    3,984.02x = 5,976.03 × 1,386.26
  4. Step 4: Simplify right side
    3,984.02x = 8,284,331.35
  5. Step 5: Solve for x
    x = 8,284,331.35/3,984.02
  6. Step 6: Final answer
    x = 2,079.39

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Similar ratio
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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.