Home / 3,828.68-5,737.48-2,181.76

Finding the Fourth Proportional to 3,828.68, 5,737.48 and 2,181.76

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Solution

The fourth proportional to 3,828.68, 5,737.48 and 2,181.76 is: 3,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.68 : 5,737.48 = 2,181.76 : x
  2. Step 2: Convert to fraction form
    3,828.68/5,737.48 = 2,181.76/x
  3. Step 3: Cross multiply
    3,828.68x = 5,737.48 × 2,181.76
  4. Step 4: Simplify right side
    3,828.68x = 12,517,804.36
  5. Step 5: Solve for x
    x = 12,517,804.36/3,828.68
  6. Step 6: Final answer
    x = 3,269.48

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1.5x scale

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.