Home / 3,331.40-4,996.88-1,022.88

Finding the Fourth Proportional to 3,331.40, 4,996.88 and 1,022.88

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Solution

The fourth proportional to 3,331.40, 4,996.88 and 1,022.88 is: 1,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.40 : 4,996.88 = 1,022.88 : x
  2. Step 2: Convert to fraction form
    3,331.40/4,996.88 = 1,022.88/x
  3. Step 3: Cross multiply
    3,331.40x = 4,996.88 × 1,022.88
  4. Step 4: Simplify right side
    3,331.40x = 5,111,208.61
  5. Step 5: Solve for x
    x = 5,111,208.61/3,331.40
  6. Step 6: Final answer
    x = 1,534.25

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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.