Home / 3,398.15-5,099.07-1,425.14

Finding the Fourth Proportional to 3,398.15, 5,099.07 and 1,425.14

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Solution

The fourth proportional to 3,398.15, 5,099.07 and 1,425.14 is: 2,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.15 : 5,099.07 = 1,425.14 : x
  2. Step 2: Convert to fraction form
    3,398.15/5,099.07 = 1,425.14/x
  3. Step 3: Cross multiply
    3,398.15x = 5,099.07 × 1,425.14
  4. Step 4: Simplify right side
    3,398.15x = 7,266,863.12
  5. Step 5: Solve for x
    x = 7,266,863.12/3,398.15
  6. Step 6: Final answer
    x = 2,138.48

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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.