Home / 3,322.28-4,973.76-1,931.37

Finding the Fourth Proportional to 3,322.28, 4,973.76 and 1,931.37

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Solution

The fourth proportional to 3,322.28, 4,973.76 and 1,931.37 is: 2,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.28 : 4,973.76 = 1,931.37 : x
  2. Step 2: Convert to fraction form
    3,322.28/4,973.76 = 1,931.37/x
  3. Step 3: Cross multiply
    3,322.28x = 4,973.76 × 1,931.37
  4. Step 4: Simplify right side
    3,322.28x = 9,606,170.85
  5. Step 5: Solve for x
    x = 9,606,170.85/3,322.28
  6. Step 6: Final answer
    x = 2,891.44

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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.