Home / 3,380.10-5,068.92-1,299.02

Finding the Fourth Proportional to 3,380.10, 5,068.92 and 1,299.02

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Solution

The fourth proportional to 3,380.10, 5,068.92 and 1,299.02 is: 1,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.10 : 5,068.92 = 1,299.02 : x
  2. Step 2: Convert to fraction form
    3,380.10/5,068.92 = 1,299.02/x
  3. Step 3: Cross multiply
    3,380.10x = 5,068.92 × 1,299.02
  4. Step 4: Simplify right side
    3,380.10x = 6,584,628.46
  5. Step 5: Solve for x
    x = 6,584,628.46/3,380.10
  6. Step 6: Final answer
    x = 1,948.06

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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.