Home / 3,309.12-4,565.25-1,892.52

Finding the Fourth Proportional to 3,309.12, 4,565.25 and 1,892.52

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Solution

The fourth proportional to 3,309.12, 4,565.25 and 1,892.52 is: 2,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.12 : 4,565.25 = 1,892.52 : x
  2. Step 2: Convert to fraction form
    3,309.12/4,565.25 = 1,892.52/x
  3. Step 3: Cross multiply
    3,309.12x = 4,565.25 × 1,892.52
  4. Step 4: Simplify right side
    3,309.12x = 8,639,826.93
  5. Step 5: Solve for x
    x = 8,639,826.93/3,309.12
  6. Step 6: Final answer
    x = 2,610.91

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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.