Home / 3,159.45-4,356.42-2,023.62

Finding the Fourth Proportional to 3,159.45, 4,356.42 and 2,023.62

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Solution

The fourth proportional to 3,159.45, 4,356.42 and 2,023.62 is: 2,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.45 : 4,356.42 = 2,023.62 : x
  2. Step 2: Convert to fraction form
    3,159.45/4,356.42 = 2,023.62/x
  3. Step 3: Cross multiply
    3,159.45x = 4,356.42 × 2,023.62
  4. Step 4: Simplify right side
    3,159.45x = 8,815,738.64
  5. Step 5: Solve for x
    x = 8,815,738.64/3,159.45
  6. Step 6: Final answer
    x = 2,790.28

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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.