Home / 4,150.53-5,727.78-2,382.12

Finding the Fourth Proportional to 4,150.53, 5,727.78 and 2,382.12

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Solution

The fourth proportional to 4,150.53, 5,727.78 and 2,382.12 is: 3,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.53 : 5,727.78 = 2,382.12 : x
  2. Step 2: Convert to fraction form
    4,150.53/5,727.78 = 2,382.12/x
  3. Step 3: Cross multiply
    4,150.53x = 5,727.78 × 2,382.12
  4. Step 4: Simplify right side
    4,150.53x = 13,644,259.29
  5. Step 5: Solve for x
    x = 13,644,259.29/4,150.53
  6. Step 6: Final answer
    x = 3,287.35

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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.