Home / 3,550.28-5,325.31-1,085

Finding the Fourth Proportional to 3,550.28, 5,325.31 and 1,085

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Solution

The fourth proportional to 3,550.28, 5,325.31 and 1,085 is: 1,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.28 : 5,325.31 = 1,085 : x
  2. Step 2: Convert to fraction form
    3,550.28/5,325.31 = 1,085/x
  3. Step 3: Cross multiply
    3,550.28x = 5,325.31 × 1,085
  4. Step 4: Simplify right side
    3,550.28x = 5,777,955.93
  5. Step 5: Solve for x
    x = 5,777,955.93/3,550.28
  6. Step 6: Final answer
    x = 1,627.46

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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.