Home / 3,419.16-5,127.48-1,227.30

Finding the Fourth Proportional to 3,419.16, 5,127.48 and 1,227.30

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Solution

The fourth proportional to 3,419.16, 5,127.48 and 1,227.30 is: 1,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.16 : 5,127.48 = 1,227.30 : x
  2. Step 2: Convert to fraction form
    3,419.16/5,127.48 = 1,227.30/x
  3. Step 3: Cross multiply
    3,419.16x = 5,127.48 × 1,227.30
  4. Step 4: Simplify right side
    3,419.16x = 6,292,956.20
  5. Step 5: Solve for x
    x = 6,292,956.20/3,419.16
  6. Step 6: Final answer
    x = 1,840.50

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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.