Home / 3,305.79-4,562.63-1,961.69

Finding the Fourth Proportional to 3,305.79, 4,562.63 and 1,961.69

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Solution

The fourth proportional to 3,305.79, 4,562.63 and 1,961.69 is: 2,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.79 : 4,562.63 = 1,961.69 : x
  2. Step 2: Convert to fraction form
    3,305.79/4,562.63 = 1,961.69/x
  3. Step 3: Cross multiply
    3,305.79x = 4,562.63 × 1,961.69
  4. Step 4: Simplify right side
    3,305.79x = 8,950,478.88
  5. Step 5: Solve for x
    x = 8,950,478.88/3,305.79
  6. Step 6: Final answer
    x = 2,707.52

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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.