Home / 3,212.87-4,433.73-1,796.55

Finding the Fourth Proportional to 3,212.87, 4,433.73 and 1,796.55

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Solution

The fourth proportional to 3,212.87, 4,433.73 and 1,796.55 is: 2,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.87 : 4,433.73 = 1,796.55 : x
  2. Step 2: Convert to fraction form
    3,212.87/4,433.73 = 1,796.55/x
  3. Step 3: Cross multiply
    3,212.87x = 4,433.73 × 1,796.55
  4. Step 4: Simplify right side
    3,212.87x = 7,965,417.63
  5. Step 5: Solve for x
    x = 7,965,417.63/3,212.87
  6. Step 6: Final answer
    x = 2,479.23

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1.5x scale

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.