Home / 3,627.31-5,441.65-1,161.47

Finding the Fourth Proportional to 3,627.31, 5,441.65 and 1,161.47

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Solution

The fourth proportional to 3,627.31, 5,441.65 and 1,161.47 is: 1,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.31 : 5,441.65 = 1,161.47 : x
  2. Step 2: Convert to fraction form
    3,627.31/5,441.65 = 1,161.47/x
  3. Step 3: Cross multiply
    3,627.31x = 5,441.65 × 1,161.47
  4. Step 4: Simplify right side
    3,627.31x = 6,320,313.23
  5. Step 5: Solve for x
    x = 6,320,313.23/3,627.31
  6. Step 6: Final answer
    x = 1,742.42

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1.5x scale

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.