Home / 3,612.57-4,979.91-2,825.25

Finding the Fourth Proportional to 3,612.57, 4,979.91 and 2,825.25

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Solution

The fourth proportional to 3,612.57, 4,979.91 and 2,825.25 is: 3,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.57 : 4,979.91 = 2,825.25 : x
  2. Step 2: Convert to fraction form
    3,612.57/4,979.91 = 2,825.25/x
  3. Step 3: Cross multiply
    3,612.57x = 4,979.91 × 2,825.25
  4. Step 4: Simplify right side
    3,612.57x = 14,069,490.73
  5. Step 5: Solve for x
    x = 14,069,490.73/3,612.57
  6. Step 6: Final answer
    x = 3,894.59

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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.