Home / 3,627.39-5,005.08-2,135.37

Finding the Fourth Proportional to 3,627.39, 5,005.08 and 2,135.37

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Solution

The fourth proportional to 3,627.39, 5,005.08 and 2,135.37 is: 2,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.39 : 5,005.08 = 2,135.37 : x
  2. Step 2: Convert to fraction form
    3,627.39/5,005.08 = 2,135.37/x
  3. Step 3: Cross multiply
    3,627.39x = 5,005.08 × 2,135.37
  4. Step 4: Simplify right side
    3,627.39x = 10,687,697.68
  5. Step 5: Solve for x
    x = 10,687,697.68/3,627.39
  6. Step 6: Final answer
    x = 2,946.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.