Home / 3,378.54-5,063.76-2,856.90

Finding the Fourth Proportional to 3,378.54, 5,063.76 and 2,856.90

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Solution

The fourth proportional to 3,378.54, 5,063.76 and 2,856.90 is: 4,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.54 : 5,063.76 = 2,856.90 : x
  2. Step 2: Convert to fraction form
    3,378.54/5,063.76 = 2,856.90/x
  3. Step 3: Cross multiply
    3,378.54x = 5,063.76 × 2,856.90
  4. Step 4: Simplify right side
    3,378.54x = 14,466,655.94
  5. Step 5: Solve for x
    x = 14,466,655.94/3,378.54
  6. Step 6: Final answer
    x = 4,281.93

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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.