Home / 3,501.60-5,249.78-2,114.62

Finding the Fourth Proportional to 3,501.60, 5,249.78 and 2,114.62

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Solution

The fourth proportional to 3,501.60, 5,249.78 and 2,114.62 is: 3,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.60 : 5,249.78 = 2,114.62 : x
  2. Step 2: Convert to fraction form
    3,501.60/5,249.78 = 2,114.62/x
  3. Step 3: Cross multiply
    3,501.60x = 5,249.78 × 2,114.62
  4. Step 4: Simplify right side
    3,501.60x = 11,101,274.02
  5. Step 5: Solve for x
    x = 11,101,274.02/3,501.60
  6. Step 6: Final answer
    x = 3,170.35

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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.