Home / 3,841.91-5,765.73-2,856.98

Finding the Fourth Proportional to 3,841.91, 5,765.73 and 2,856.98

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Solution

The fourth proportional to 3,841.91, 5,765.73 and 2,856.98 is: 4,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.91 : 5,765.73 = 2,856.98 : x
  2. Step 2: Convert to fraction form
    3,841.91/5,765.73 = 2,856.98/x
  3. Step 3: Cross multiply
    3,841.91x = 5,765.73 × 2,856.98
  4. Step 4: Simplify right side
    3,841.91x = 16,472,575.30
  5. Step 5: Solve for x
    x = 16,472,575.30/3,841.91
  6. Step 6: Final answer
    x = 4,287.60

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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.