Home / 2,355.95-3,251.19-1,361.32

Finding the Fourth Proportional to 2,355.95, 3,251.19 and 1,361.32

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Solution

The fourth proportional to 2,355.95, 3,251.19 and 1,361.32 is: 1,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.95 : 3,251.19 = 1,361.32 : x
  2. Step 2: Convert to fraction form
    2,355.95/3,251.19 = 1,361.32/x
  3. Step 3: Cross multiply
    2,355.95x = 3,251.19 × 1,361.32
  4. Step 4: Simplify right side
    2,355.95x = 4,425,909.97
  5. Step 5: Solve for x
    x = 4,425,909.97/2,355.95
  6. Step 6: Final answer
    x = 1,878.61

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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.