Home / 3,640.60-5,460.94-1,996.26

Finding the Fourth Proportional to 3,640.60, 5,460.94 and 1,996.26

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Solution

The fourth proportional to 3,640.60, 5,460.94 and 1,996.26 is: 2,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.60 : 5,460.94 = 1,996.26 : x
  2. Step 2: Convert to fraction form
    3,640.60/5,460.94 = 1,996.26/x
  3. Step 3: Cross multiply
    3,640.60x = 5,460.94 × 1,996.26
  4. Step 4: Simplify right side
    3,640.60x = 10,901,428.78
  5. Step 5: Solve for x
    x = 10,901,428.78/3,640.60
  6. Step 6: Final answer
    x = 2,994.40

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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.