Home / 3,436-4,736.08-2,688.64

Finding the Fourth Proportional to 3,436, 4,736.08 and 2,688.64

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Solution

The fourth proportional to 3,436, 4,736.08 and 2,688.64 is: 3,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436 : 4,736.08 = 2,688.64 : x
  2. Step 2: Convert to fraction form
    3,436/4,736.08 = 2,688.64/x
  3. Step 3: Cross multiply
    3,436x = 4,736.08 × 2,688.64
  4. Step 4: Simplify right side
    3,436x = 12,733,614.13
  5. Step 5: Solve for x
    x = 12,733,614.13/3,436
  6. Step 6: Final answer
    x = 3,705.94

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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.