Home / 3,627.38-5,440.70-1,161.53

Finding the Fourth Proportional to 3,627.38, 5,440.70 and 1,161.53

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Solution

The fourth proportional to 3,627.38, 5,440.70 and 1,161.53 is: 1,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.38 : 5,440.70 = 1,161.53 : x
  2. Step 2: Convert to fraction form
    3,627.38/5,440.70 = 1,161.53/x
  3. Step 3: Cross multiply
    3,627.38x = 5,440.70 × 1,161.53
  4. Step 4: Simplify right side
    3,627.38x = 6,319,544.07
  5. Step 5: Solve for x
    x = 6,319,544.07/3,627.38
  6. Step 6: Final answer
    x = 1,742.18

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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.