Home / 3,458.22-4,772.15-1,965.93

Finding the Fourth Proportional to 3,458.22, 4,772.15 and 1,965.93

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Solution

The fourth proportional to 3,458.22, 4,772.15 and 1,965.93 is: 2,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.22 : 4,772.15 = 1,965.93 : x
  2. Step 2: Convert to fraction form
    3,458.22/4,772.15 = 1,965.93/x
  3. Step 3: Cross multiply
    3,458.22x = 4,772.15 × 1,965.93
  4. Step 4: Simplify right side
    3,458.22x = 9,381,712.85
  5. Step 5: Solve for x
    x = 9,381,712.85/3,458.22
  6. Step 6: Final answer
    x = 2,712.87

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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.