Home / 3,378.50-5,056.10-2,679.27

Finding the Fourth Proportional to 3,378.50, 5,056.10 and 2,679.27

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Solution

The fourth proportional to 3,378.50, 5,056.10 and 2,679.27 is: 4,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.50 : 5,056.10 = 2,679.27 : x
  2. Step 2: Convert to fraction form
    3,378.50/5,056.10 = 2,679.27/x
  3. Step 3: Cross multiply
    3,378.50x = 5,056.10 × 2,679.27
  4. Step 4: Simplify right side
    3,378.50x = 13,546,657.05
  5. Step 5: Solve for x
    x = 13,546,657.05/3,378.50
  6. Step 6: Final answer
    x = 4,009.67

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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.