Home / 3,845.34-5,306.94-2,448

Finding the Fourth Proportional to 3,845.34, 5,306.94 and 2,448

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Solution

The fourth proportional to 3,845.34, 5,306.94 and 2,448 is: 3,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.34 : 5,306.94 = 2,448 : x
  2. Step 2: Convert to fraction form
    3,845.34/5,306.94 = 2,448/x
  3. Step 3: Cross multiply
    3,845.34x = 5,306.94 × 2,448
  4. Step 4: Simplify right side
    3,845.34x = 12,991,389.12
  5. Step 5: Solve for x
    x = 12,991,389.12/3,845.34
  6. Step 6: Final answer
    x = 3,378.48

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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.