Home / 3,627.27-5,440.97-1,287.32

Finding the Fourth Proportional to 3,627.27, 5,440.97 and 1,287.32

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Solution

The fourth proportional to 3,627.27, 5,440.97 and 1,287.32 is: 1,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.27 : 5,440.97 = 1,287.32 : x
  2. Step 2: Convert to fraction form
    3,627.27/5,440.97 = 1,287.32/x
  3. Step 3: Cross multiply
    3,627.27x = 5,440.97 × 1,287.32
  4. Step 4: Simplify right side
    3,627.27x = 7,004,245.51
  5. Step 5: Solve for x
    x = 7,004,245.51/3,627.27
  6. Step 6: Final answer
    x = 1,931.00

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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.