Home / 3,086.28-4,630.02-1,331.28

Finding the Fourth Proportional to 3,086.28, 4,630.02 and 1,331.28

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Solution

The fourth proportional to 3,086.28, 4,630.02 and 1,331.28 is: 1,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.28 : 4,630.02 = 1,331.28 : x
  2. Step 2: Convert to fraction form
    3,086.28/4,630.02 = 1,331.28/x
  3. Step 3: Cross multiply
    3,086.28x = 4,630.02 × 1,331.28
  4. Step 4: Simplify right side
    3,086.28x = 6,163,853.03
  5. Step 5: Solve for x
    x = 6,163,853.03/3,086.28
  6. Step 6: Final answer
    x = 1,997.18

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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.