Home / 3,622.41-5,431.77-1,770.75

Finding the Fourth Proportional to 3,622.41, 5,431.77 and 1,770.75

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Solution

The fourth proportional to 3,622.41, 5,431.77 and 1,770.75 is: 2,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.41 : 5,431.77 = 1,770.75 : x
  2. Step 2: Convert to fraction form
    3,622.41/5,431.77 = 1,770.75/x
  3. Step 3: Cross multiply
    3,622.41x = 5,431.77 × 1,770.75
  4. Step 4: Simplify right side
    3,622.41x = 9,618,306.73
  5. Step 5: Solve for x
    x = 9,618,306.73/3,622.41
  6. Step 6: Final answer
    x = 2,655.22

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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.