Home / 3,744.60-5,615.52-2,185.14

Finding the Fourth Proportional to 3,744.60, 5,615.52 and 2,185.14

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Solution

The fourth proportional to 3,744.60, 5,615.52 and 2,185.14 is: 3,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.60 : 5,615.52 = 2,185.14 : x
  2. Step 2: Convert to fraction form
    3,744.60/5,615.52 = 2,185.14/x
  3. Step 3: Cross multiply
    3,744.60x = 5,615.52 × 2,185.14
  4. Step 4: Simplify right side
    3,744.60x = 12,270,697.37
  5. Step 5: Solve for x
    x = 12,270,697.37/3,744.60
  6. Step 6: Final answer
    x = 3,276.90

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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.