Home / 3,270.15-4,902.45-1,419.87

Finding the Fourth Proportional to 3,270.15, 4,902.45 and 1,419.87

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Solution

The fourth proportional to 3,270.15, 4,902.45 and 1,419.87 is: 2,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.15 : 4,902.45 = 1,419.87 : x
  2. Step 2: Convert to fraction form
    3,270.15/4,902.45 = 1,419.87/x
  3. Step 3: Cross multiply
    3,270.15x = 4,902.45 × 1,419.87
  4. Step 4: Simplify right side
    3,270.15x = 6,960,841.68
  5. Step 5: Solve for x
    x = 6,960,841.68/3,270.15
  6. Step 6: Final answer
    x = 2,128.60

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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.