Home / 3,419.08-5,127.10-1,227.88

Finding the Fourth Proportional to 3,419.08, 5,127.10 and 1,227.88

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Solution

The fourth proportional to 3,419.08, 5,127.10 and 1,227.88 is: 1,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.08 : 5,127.10 = 1,227.88 : x
  2. Step 2: Convert to fraction form
    3,419.08/5,127.10 = 1,227.88/x
  3. Step 3: Cross multiply
    3,419.08x = 5,127.10 × 1,227.88
  4. Step 4: Simplify right side
    3,419.08x = 6,295,463.55
  5. Step 5: Solve for x
    x = 6,295,463.55/3,419.08
  6. Step 6: Final answer
    x = 1,841.27

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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.