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Finding the Fourth Proportional to 3,367.68, 4,643.53 and 2,736.25

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Solution

The fourth proportional to 3,367.68, 4,643.53 and 2,736.25 is: 3,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.68 : 4,643.53 = 2,736.25 : x
  2. Step 2: Convert to fraction form
    3,367.68/4,643.53 = 2,736.25/x
  3. Step 3: Cross multiply
    3,367.68x = 4,643.53 × 2,736.25
  4. Step 4: Simplify right side
    3,367.68x = 12,705,840.51
  5. Step 5: Solve for x
    x = 12,705,840.51/3,367.68
  6. Step 6: Final answer
    x = 3,772.88

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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.