Home / 3,845.48-5,306.34-2,353.76

Finding the Fourth Proportional to 3,845.48, 5,306.34 and 2,353.76

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Solution

The fourth proportional to 3,845.48, 5,306.34 and 2,353.76 is: 3,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.48 : 5,306.34 = 2,353.76 : x
  2. Step 2: Convert to fraction form
    3,845.48/5,306.34 = 2,353.76/x
  3. Step 3: Cross multiply
    3,845.48x = 5,306.34 × 2,353.76
  4. Step 4: Simplify right side
    3,845.48x = 12,489,850.84
  5. Step 5: Solve for x
    x = 12,489,850.84/3,845.48
  6. Step 6: Final answer
    x = 3,247.93

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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.