Home / 3,815.17-5,265.62-2,770.27

Finding the Fourth Proportional to 3,815.17, 5,265.62 and 2,770.27

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Solution

The fourth proportional to 3,815.17, 5,265.62 and 2,770.27 is: 3,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.17 : 5,265.62 = 2,770.27 : x
  2. Step 2: Convert to fraction form
    3,815.17/5,265.62 = 2,770.27/x
  3. Step 3: Cross multiply
    3,815.17x = 5,265.62 × 2,770.27
  4. Step 4: Simplify right side
    3,815.17x = 14,587,189.12
  5. Step 5: Solve for x
    x = 14,587,189.12/3,815.17
  6. Step 6: Final answer
    x = 3,823.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.