Home / 2,833.75-3,910.58-1,655.61

Finding the Fourth Proportional to 2,833.75, 3,910.58 and 1,655.61

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Solution

The fourth proportional to 2,833.75, 3,910.58 and 1,655.61 is: 2,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.75 : 3,910.58 = 1,655.61 : x
  2. Step 2: Convert to fraction form
    2,833.75/3,910.58 = 1,655.61/x
  3. Step 3: Cross multiply
    2,833.75x = 3,910.58 × 1,655.61
  4. Step 4: Simplify right side
    2,833.75x = 6,474,395.35
  5. Step 5: Solve for x
    x = 6,474,395.35/2,833.75
  6. Step 6: Final answer
    x = 2,284.74

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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.