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Finding the Fourth Proportional to 3,496.12, 4,787.91 and 3,449.99

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Solution

The fourth proportional to 3,496.12, 4,787.91 and 3,449.99 is: 4,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.12 : 4,787.91 = 3,449.99 : x
  2. Step 2: Convert to fraction form
    3,496.12/4,787.91 = 3,449.99/x
  3. Step 3: Cross multiply
    3,496.12x = 4,787.91 × 3,449.99
  4. Step 4: Simplify right side
    3,496.12x = 16,518,242.67
  5. Step 5: Solve for x
    x = 16,518,242.67/3,496.12
  6. Step 6: Final answer
    x = 4,724.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.