Home / 3,825.19-5,274.75-2,832.40

Finding the Fourth Proportional to 3,825.19, 5,274.75 and 2,832.40

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Solution

The fourth proportional to 3,825.19, 5,274.75 and 2,832.40 is: 3,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.19 : 5,274.75 = 2,832.40 : x
  2. Step 2: Convert to fraction form
    3,825.19/5,274.75 = 2,832.40/x
  3. Step 3: Cross multiply
    3,825.19x = 5,274.75 × 2,832.40
  4. Step 4: Simplify right side
    3,825.19x = 14,940,201.90
  5. Step 5: Solve for x
    x = 14,940,201.90/3,825.19
  6. Step 6: Final answer
    x = 3,905.74

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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.