Home / 3,331.28-4,996.60-1,022.80

Finding the Fourth Proportional to 3,331.28, 4,996.60 and 1,022.80

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Solution

The fourth proportional to 3,331.28, 4,996.60 and 1,022.80 is: 1,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.28 : 4,996.60 = 1,022.80 : x
  2. Step 2: Convert to fraction form
    3,331.28/4,996.60 = 1,022.80/x
  3. Step 3: Cross multiply
    3,331.28x = 4,996.60 × 1,022.80
  4. Step 4: Simplify right side
    3,331.28x = 5,110,522.48
  5. Step 5: Solve for x
    x = 5,110,522.48/3,331.28
  6. Step 6: Final answer
    x = 1,534.10

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1.5x scale

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.