Home / 2,382.52-3,286.03-1,821.60

Finding the Fourth Proportional to 2,382.52, 3,286.03 and 1,821.60

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Solution

The fourth proportional to 2,382.52, 3,286.03 and 1,821.60 is: 2,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.52 : 3,286.03 = 1,821.60 : x
  2. Step 2: Convert to fraction form
    2,382.52/3,286.03 = 1,821.60/x
  3. Step 3: Cross multiply
    2,382.52x = 3,286.03 × 1,821.60
  4. Step 4: Simplify right side
    2,382.52x = 5,985,832.25
  5. Step 5: Solve for x
    x = 5,985,832.25/2,382.52
  6. Step 6: Final answer
    x = 2,512.40

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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.