Home / 3,789.28-5,673.48-2,861.98

Finding the Fourth Proportional to 3,789.28, 5,673.48 and 2,861.98

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Solution

The fourth proportional to 3,789.28, 5,673.48 and 2,861.98 is: 4,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.28 : 5,673.48 = 2,861.98 : x
  2. Step 2: Convert to fraction form
    3,789.28/5,673.48 = 2,861.98/x
  3. Step 3: Cross multiply
    3,789.28x = 5,673.48 × 2,861.98
  4. Step 4: Simplify right side
    3,789.28x = 16,237,386.29
  5. Step 5: Solve for x
    x = 16,237,386.29/3,789.28
  6. Step 6: Final answer
    x = 4,285.08

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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.