Home / 3,619.38-5,429.86-2,060.12

Finding the Fourth Proportional to 3,619.38, 5,429.86 and 2,060.12

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Solution

The fourth proportional to 3,619.38, 5,429.86 and 2,060.12 is: 3,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.38 : 5,429.86 = 2,060.12 : x
  2. Step 2: Convert to fraction form
    3,619.38/5,429.86 = 2,060.12/x
  3. Step 3: Cross multiply
    3,619.38x = 5,429.86 × 2,060.12
  4. Step 4: Simplify right side
    3,619.38x = 11,186,141.18
  5. Step 5: Solve for x
    x = 11,186,141.18/3,619.38
  6. Step 6: Final answer
    x = 3,090.63

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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.