Home / 3,688.06-5,531.92-1,055.56

Finding the Fourth Proportional to 3,688.06, 5,531.92 and 1,055.56

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Solution

The fourth proportional to 3,688.06, 5,531.92 and 1,055.56 is: 1,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.06 : 5,531.92 = 1,055.56 : x
  2. Step 2: Convert to fraction form
    3,688.06/5,531.92 = 1,055.56/x
  3. Step 3: Cross multiply
    3,688.06x = 5,531.92 × 1,055.56
  4. Step 4: Simplify right side
    3,688.06x = 5,839,273.48
  5. Step 5: Solve for x
    x = 5,839,273.48/3,688.06
  6. Step 6: Final answer
    x = 1,583.29

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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.