Home / 3,627.07-5,440.60-1,679.02

Finding the Fourth Proportional to 3,627.07, 5,440.60 and 1,679.02

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Solution

The fourth proportional to 3,627.07, 5,440.60 and 1,679.02 is: 2,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.07 : 5,440.60 = 1,679.02 : x
  2. Step 2: Convert to fraction form
    3,627.07/5,440.60 = 1,679.02/x
  3. Step 3: Cross multiply
    3,627.07x = 5,440.60 × 1,679.02
  4. Step 4: Simplify right side
    3,627.07x = 9,134,876.21
  5. Step 5: Solve for x
    x = 9,134,876.21/3,627.07
  6. Step 6: Final answer
    x = 2,518.53

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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.