Home / 3,964.20-5,471.19-2,393.16

Finding the Fourth Proportional to 3,964.20, 5,471.19 and 2,393.16

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Solution

The fourth proportional to 3,964.20, 5,471.19 and 2,393.16 is: 3,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.20 : 5,471.19 = 2,393.16 : x
  2. Step 2: Convert to fraction form
    3,964.20/5,471.19 = 2,393.16/x
  3. Step 3: Cross multiply
    3,964.20x = 5,471.19 × 2,393.16
  4. Step 4: Simplify right side
    3,964.20x = 13,093,433.06
  5. Step 5: Solve for x
    x = 13,093,433.06/3,964.20
  6. Step 6: Final answer
    x = 3,302.92

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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.