Home / 3,100.32-4,278.08-1,773.95

Finding the Fourth Proportional to 3,100.32, 4,278.08 and 1,773.95

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Solution

The fourth proportional to 3,100.32, 4,278.08 and 1,773.95 is: 2,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.32 : 4,278.08 = 1,773.95 : x
  2. Step 2: Convert to fraction form
    3,100.32/4,278.08 = 1,773.95/x
  3. Step 3: Cross multiply
    3,100.32x = 4,278.08 × 1,773.95
  4. Step 4: Simplify right side
    3,100.32x = 7,589,083.06
  5. Step 5: Solve for x
    x = 7,589,083.06/3,100.32
  6. Step 6: Final answer
    x = 2,447.84

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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.