Home / 3,622.15-5,431.39-1,770.49

Finding the Fourth Proportional to 3,622.15, 5,431.39 and 1,770.49

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Solution

The fourth proportional to 3,622.15, 5,431.39 and 1,770.49 is: 2,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.15 : 5,431.39 = 1,770.49 : x
  2. Step 2: Convert to fraction form
    3,622.15/5,431.39 = 1,770.49/x
  3. Step 3: Cross multiply
    3,622.15x = 5,431.39 × 1,770.49
  4. Step 4: Simplify right side
    3,622.15x = 9,616,221.68
  5. Step 5: Solve for x
    x = 9,616,221.68/3,622.15
  6. Step 6: Final answer
    x = 2,654.84

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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.