Home / 3,964.28-5,470.76-2,195.92

Finding the Fourth Proportional to 3,964.28, 5,470.76 and 2,195.92

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Solution

The fourth proportional to 3,964.28, 5,470.76 and 2,195.92 is: 3,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.28 : 5,470.76 = 2,195.92 : x
  2. Step 2: Convert to fraction form
    3,964.28/5,470.76 = 2,195.92/x
  3. Step 3: Cross multiply
    3,964.28x = 5,470.76 × 2,195.92
  4. Step 4: Simplify right side
    3,964.28x = 12,013,351.30
  5. Step 5: Solve for x
    x = 12,013,351.30/3,964.28
  6. Step 6: Final answer
    x = 3,030.40

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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.