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Finding the Fourth Proportional to 3,247.88, 4,891.79 and 3,019.74

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Solution

The fourth proportional to 3,247.88, 4,891.79 and 3,019.74 is: 4,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.88 : 4,891.79 = 3,019.74 : x
  2. Step 2: Convert to fraction form
    3,247.88/4,891.79 = 3,019.74/x
  3. Step 3: Cross multiply
    3,247.88x = 4,891.79 × 3,019.74
  4. Step 4: Simplify right side
    3,247.88x = 14,771,933.93
  5. Step 5: Solve for x
    x = 14,771,933.93/3,247.88
  6. Step 6: Final answer
    x = 4,548.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.