Home / 3,384.45-4,670.46-1,892.43

Finding the Fourth Proportional to 3,384.45, 4,670.46 and 1,892.43

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Solution

The fourth proportional to 3,384.45, 4,670.46 and 1,892.43 is: 2,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.45 : 4,670.46 = 1,892.43 : x
  2. Step 2: Convert to fraction form
    3,384.45/4,670.46 = 1,892.43/x
  3. Step 3: Cross multiply
    3,384.45x = 4,670.46 × 1,892.43
  4. Step 4: Simplify right side
    3,384.45x = 8,838,518.62
  5. Step 5: Solve for x
    x = 8,838,518.62/3,384.45
  6. Step 6: Final answer
    x = 2,611.51

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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.