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Finding the Fourth Proportional to 3,904.71, 5,855.01 and 2,672.47

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Solution

The fourth proportional to 3,904.71, 5,855.01 and 2,672.47 is: 4,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.71 : 5,855.01 = 2,672.47 : x
  2. Step 2: Convert to fraction form
    3,904.71/5,855.01 = 2,672.47/x
  3. Step 3: Cross multiply
    3,904.71x = 5,855.01 × 2,672.47
  4. Step 4: Simplify right side
    3,904.71x = 15,647,326.92
  5. Step 5: Solve for x
    x = 15,647,326.92/3,904.71
  6. Step 6: Final answer
    x = 4,007.30

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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.