Home / 3,063.45-4,227.20-1,719.14

Finding the Fourth Proportional to 3,063.45, 4,227.20 and 1,719.14

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Solution

The fourth proportional to 3,063.45, 4,227.20 and 1,719.14 is: 2,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.45 : 4,227.20 = 1,719.14 : x
  2. Step 2: Convert to fraction form
    3,063.45/4,227.20 = 1,719.14/x
  3. Step 3: Cross multiply
    3,063.45x = 4,227.20 × 1,719.14
  4. Step 4: Simplify right side
    3,063.45x = 7,267,118.88
  5. Step 5: Solve for x
    x = 7,267,118.88/3,063.45
  6. Step 6: Final answer
    x = 2,372.20

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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.