Home / 3,639.58-5,454.15-2,076.34

Finding the Fourth Proportional to 3,639.58, 5,454.15 and 2,076.34

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Solution

The fourth proportional to 3,639.58, 5,454.15 and 2,076.34 is: 3,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.58 : 5,454.15 = 2,076.34 : x
  2. Step 2: Convert to fraction form
    3,639.58/5,454.15 = 2,076.34/x
  3. Step 3: Cross multiply
    3,639.58x = 5,454.15 × 2,076.34
  4. Step 4: Simplify right side
    3,639.58x = 11,324,669.81
  5. Step 5: Solve for x
    x = 11,324,669.81/3,639.58
  6. Step 6: Final answer
    x = 3,111.53

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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.