Home / 3,964.14-5,935.26-2,987.28

Finding the Fourth Proportional to 3,964.14, 5,935.26 and 2,987.28

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Solution

The fourth proportional to 3,964.14, 5,935.26 and 2,987.28 is: 4,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.14 : 5,935.26 = 2,987.28 : x
  2. Step 2: Convert to fraction form
    3,964.14/5,935.26 = 2,987.28/x
  3. Step 3: Cross multiply
    3,964.14x = 5,935.26 × 2,987.28
  4. Step 4: Simplify right side
    3,964.14x = 17,730,283.49
  5. Step 5: Solve for x
    x = 17,730,283.49/3,964.14
  6. Step 6: Final answer
    x = 4,472.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.