Home / 3,913.45-5,404.86-2,732.47

Finding the Fourth Proportional to 3,913.45, 5,404.86 and 2,732.47

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Solution

The fourth proportional to 3,913.45, 5,404.86 and 2,732.47 is: 3,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.45 : 5,404.86 = 2,732.47 : x
  2. Step 2: Convert to fraction form
    3,913.45/5,404.86 = 2,732.47/x
  3. Step 3: Cross multiply
    3,913.45x = 5,404.86 × 2,732.47
  4. Step 4: Simplify right side
    3,913.45x = 14,768,604.29
  5. Step 5: Solve for x
    x = 14,768,604.29/3,913.45
  6. Step 6: Final answer
    x = 3,773.81

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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.