Home / 3,845.40-5,753.56-2,286.24

Finding the Fourth Proportional to 3,845.40, 5,753.56 and 2,286.24

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Solution

The fourth proportional to 3,845.40, 5,753.56 and 2,286.24 is: 3,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.40 : 5,753.56 = 2,286.24 : x
  2. Step 2: Convert to fraction form
    3,845.40/5,753.56 = 2,286.24/x
  3. Step 3: Cross multiply
    3,845.40x = 5,753.56 × 2,286.24
  4. Step 4: Simplify right side
    3,845.40x = 13,154,019.01
  5. Step 5: Solve for x
    x = 13,154,019.01/3,845.40
  6. Step 6: Final answer
    x = 3,420.72

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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.