Home / 3,927.60-5,418.99-2,435.58

Finding the Fourth Proportional to 3,927.60, 5,418.99 and 2,435.58

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Solution

The fourth proportional to 3,927.60, 5,418.99 and 2,435.58 is: 3,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.60 : 5,418.99 = 2,435.58 : x
  2. Step 2: Convert to fraction form
    3,927.60/5,418.99 = 2,435.58/x
  3. Step 3: Cross multiply
    3,927.60x = 5,418.99 × 2,435.58
  4. Step 4: Simplify right side
    3,927.60x = 13,198,383.66
  5. Step 5: Solve for x
    x = 13,198,383.66/3,927.60
  6. Step 6: Final answer
    x = 3,360.42

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1.5x scale

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.