Home / 3,448-4,753.38-2,455.75

Finding the Fourth Proportional to 3,448, 4,753.38 and 2,455.75

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Solution

The fourth proportional to 3,448, 4,753.38 and 2,455.75 is: 3,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448 : 4,753.38 = 2,455.75 : x
  2. Step 2: Convert to fraction form
    3,448/4,753.38 = 2,455.75/x
  3. Step 3: Cross multiply
    3,448x = 4,753.38 × 2,455.75
  4. Step 4: Simplify right side
    3,448x = 11,673,112.94
  5. Step 5: Solve for x
    x = 11,673,112.94/3,448
  6. Step 6: Final answer
    x = 3,385.47

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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.