Home / 3,694.89-5,543.15-1,230.06

Finding the Fourth Proportional to 3,694.89, 5,543.15 and 1,230.06

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Solution

The fourth proportional to 3,694.89, 5,543.15 and 1,230.06 is: 1,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.89 : 5,543.15 = 1,230.06 : x
  2. Step 2: Convert to fraction form
    3,694.89/5,543.15 = 1,230.06/x
  3. Step 3: Cross multiply
    3,694.89x = 5,543.15 × 1,230.06
  4. Step 4: Simplify right side
    3,694.89x = 6,818,407.09
  5. Step 5: Solve for x
    x = 6,818,407.09/3,694.89
  6. Step 6: Final answer
    x = 1,845.36

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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.