Home / 3,203.42-4,420.73-1,767.76

Finding the Fourth Proportional to 3,203.42, 4,420.73 and 1,767.76

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Solution

The fourth proportional to 3,203.42, 4,420.73 and 1,767.76 is: 2,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.42 : 4,420.73 = 1,767.76 : x
  2. Step 2: Convert to fraction form
    3,203.42/4,420.73 = 1,767.76/x
  3. Step 3: Cross multiply
    3,203.42x = 4,420.73 × 1,767.76
  4. Step 4: Simplify right side
    3,203.42x = 7,814,767.56
  5. Step 5: Solve for x
    x = 7,814,767.56/3,203.42
  6. Step 6: Final answer
    x = 2,439.51

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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.