Home / 3,448.28-5,164.32-2,712.80

Finding the Fourth Proportional to 3,448.28, 5,164.32 and 2,712.80

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Solution

The fourth proportional to 3,448.28, 5,164.32 and 2,712.80 is: 4,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.28 : 5,164.32 = 2,712.80 : x
  2. Step 2: Convert to fraction form
    3,448.28/5,164.32 = 2,712.80/x
  3. Step 3: Cross multiply
    3,448.28x = 5,164.32 × 2,712.80
  4. Step 4: Simplify right side
    3,448.28x = 14,009,767.30
  5. Step 5: Solve for x
    x = 14,009,767.30/3,448.28
  6. Step 6: Final answer
    x = 4,062.83

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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.