Home / 3,963.95-5,471.37-2,392.14

Finding the Fourth Proportional to 3,963.95, 5,471.37 and 2,392.14

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Solution

The fourth proportional to 3,963.95, 5,471.37 and 2,392.14 is: 3,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.95 : 5,471.37 = 2,392.14 : x
  2. Step 2: Convert to fraction form
    3,963.95/5,471.37 = 2,392.14/x
  3. Step 3: Cross multiply
    3,963.95x = 5,471.37 × 2,392.14
  4. Step 4: Simplify right side
    3,963.95x = 13,088,283.03
  5. Step 5: Solve for x
    x = 13,088,283.03/3,963.95
  6. Step 6: Final answer
    x = 3,301.83

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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.