Home / 3,104.64-4,282.56-2,177.28

Finding the Fourth Proportional to 3,104.64, 4,282.56 and 2,177.28

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Solution

The fourth proportional to 3,104.64, 4,282.56 and 2,177.28 is: 3,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.64 : 4,282.56 = 2,177.28 : x
  2. Step 2: Convert to fraction form
    3,104.64/4,282.56 = 2,177.28/x
  3. Step 3: Cross multiply
    3,104.64x = 4,282.56 × 2,177.28
  4. Step 4: Simplify right side
    3,104.64x = 9,324,332.24
  5. Step 5: Solve for x
    x = 9,324,332.24/3,104.64
  6. Step 6: Final answer
    x = 3,003.35

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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.