Home / 4,148.91-5,724.54-2,380.28

Finding the Fourth Proportional to 4,148.91, 5,724.54 and 2,380.28

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Solution

The fourth proportional to 4,148.91, 5,724.54 and 2,380.28 is: 3,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.91 : 5,724.54 = 2,380.28 : x
  2. Step 2: Convert to fraction form
    4,148.91/5,724.54 = 2,380.28/x
  3. Step 3: Cross multiply
    4,148.91x = 5,724.54 × 2,380.28
  4. Step 4: Simplify right side
    4,148.91x = 13,625,979.45
  5. Step 5: Solve for x
    x = 13,625,979.45/4,148.91
  6. Step 6: Final answer
    x = 3,284.23

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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.