Home / 3,063.28-4,228.11-1,869.08

Finding the Fourth Proportional to 3,063.28, 4,228.11 and 1,869.08

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Solution

The fourth proportional to 3,063.28, 4,228.11 and 1,869.08 is: 2,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.28 : 4,228.11 = 1,869.08 : x
  2. Step 2: Convert to fraction form
    3,063.28/4,228.11 = 1,869.08/x
  3. Step 3: Cross multiply
    3,063.28x = 4,228.11 × 1,869.08
  4. Step 4: Simplify right side
    3,063.28x = 7,902,675.84
  5. Step 5: Solve for x
    x = 7,902,675.84/3,063.28
  6. Step 6: Final answer
    x = 2,579.81

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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.