Home / 3,282.86-4,530.32-1,790.77

Finding the Fourth Proportional to 3,282.86, 4,530.32 and 1,790.77

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Solution

The fourth proportional to 3,282.86, 4,530.32 and 1,790.77 is: 2,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.86 : 4,530.32 = 1,790.77 : x
  2. Step 2: Convert to fraction form
    3,282.86/4,530.32 = 1,790.77/x
  3. Step 3: Cross multiply
    3,282.86x = 4,530.32 × 1,790.77
  4. Step 4: Simplify right side
    3,282.86x = 8,112,761.15
  5. Step 5: Solve for x
    x = 8,112,761.15/3,282.86
  6. Step 6: Final answer
    x = 2,471.25

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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.