Home / 3,845.84-5,305.38-2,353.28

Finding the Fourth Proportional to 3,845.84, 5,305.38 and 2,353.28

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Solution

The fourth proportional to 3,845.84, 5,305.38 and 2,353.28 is: 3,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.84 : 5,305.38 = 2,353.28 : x
  2. Step 2: Convert to fraction form
    3,845.84/5,305.38 = 2,353.28/x
  3. Step 3: Cross multiply
    3,845.84x = 5,305.38 × 2,353.28
  4. Step 4: Simplify right side
    3,845.84x = 12,485,044.65
  5. Step 5: Solve for x
    x = 12,485,044.65/3,845.84
  6. Step 6: Final answer
    x = 3,246.38

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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.