Home / 3,411.59-5,116.30-1,331.09

Finding the Fourth Proportional to 3,411.59, 5,116.30 and 1,331.09

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Solution

The fourth proportional to 3,411.59, 5,116.30 and 1,331.09 is: 1,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.59 : 5,116.30 = 1,331.09 : x
  2. Step 2: Convert to fraction form
    3,411.59/5,116.30 = 1,331.09/x
  3. Step 3: Cross multiply
    3,411.59x = 5,116.30 × 1,331.09
  4. Step 4: Simplify right side
    3,411.59x = 6,810,236.32
  5. Step 5: Solve for x
    x = 6,810,236.32/3,411.59
  6. Step 6: Final answer
    x = 1,996.21

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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.