Home / 3,179.64-4,387.74-1,763.31

Finding the Fourth Proportional to 3,179.64, 4,387.74 and 1,763.31

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Solution

The fourth proportional to 3,179.64, 4,387.74 and 1,763.31 is: 2,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.64 : 4,387.74 = 1,763.31 : x
  2. Step 2: Convert to fraction form
    3,179.64/4,387.74 = 1,763.31/x
  3. Step 3: Cross multiply
    3,179.64x = 4,387.74 × 1,763.31
  4. Step 4: Simplify right side
    3,179.64x = 7,736,945.82
  5. Step 5: Solve for x
    x = 7,736,945.82/3,179.64
  6. Step 6: Final answer
    x = 2,433.28

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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.