Home / 3,964.14-5,470.70-2,195.76

Finding the Fourth Proportional to 3,964.14, 5,470.70 and 2,195.76

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Solution

The fourth proportional to 3,964.14, 5,470.70 and 2,195.76 is: 3,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.14 : 5,470.70 = 2,195.76 : x
  2. Step 2: Convert to fraction form
    3,964.14/5,470.70 = 2,195.76/x
  3. Step 3: Cross multiply
    3,964.14x = 5,470.70 × 2,195.76
  4. Step 4: Simplify right side
    3,964.14x = 12,012,344.23
  5. Step 5: Solve for x
    x = 12,012,344.23/3,964.14
  6. Step 6: Final answer
    x = 3,030.25

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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.