Home / 3,362.15-5,043.83-1,387.77

Finding the Fourth Proportional to 3,362.15, 5,043.83 and 1,387.77

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Solution

The fourth proportional to 3,362.15, 5,043.83 and 1,387.77 is: 2,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.15 : 5,043.83 = 1,387.77 : x
  2. Step 2: Convert to fraction form
    3,362.15/5,043.83 = 1,387.77/x
  3. Step 3: Cross multiply
    3,362.15x = 5,043.83 × 1,387.77
  4. Step 4: Simplify right side
    3,362.15x = 6,999,669.02
  5. Step 5: Solve for x
    x = 6,999,669.02/3,362.15
  6. Step 6: Final answer
    x = 2,081.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.