Home / 3,742.45-5,164.18-2,063.75

Finding the Fourth Proportional to 3,742.45, 5,164.18 and 2,063.75

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Solution

The fourth proportional to 3,742.45, 5,164.18 and 2,063.75 is: 2,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.45 : 5,164.18 = 2,063.75 : x
  2. Step 2: Convert to fraction form
    3,742.45/5,164.18 = 2,063.75/x
  3. Step 3: Cross multiply
    3,742.45x = 5,164.18 × 2,063.75
  4. Step 4: Simplify right side
    3,742.45x = 10,657,576.48
  5. Step 5: Solve for x
    x = 10,657,576.48/3,742.45
  6. Step 6: Final answer
    x = 2,847.75

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1.5x scale

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.