Home / 3,384.05-4,670.09-1,892.03

Finding the Fourth Proportional to 3,384.05, 4,670.09 and 1,892.03

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Solution

The fourth proportional to 3,384.05, 4,670.09 and 1,892.03 is: 2,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.05 : 4,670.09 = 1,892.03 : x
  2. Step 2: Convert to fraction form
    3,384.05/4,670.09 = 1,892.03/x
  3. Step 3: Cross multiply
    3,384.05x = 4,670.09 × 1,892.03
  4. Step 4: Simplify right side
    3,384.05x = 8,835,917.57
  5. Step 5: Solve for x
    x = 8,835,917.57/3,384.05
  6. Step 6: Final answer
    x = 2,611.05

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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.