Home / 3,384.72-4,670.93-1,892.61

Finding the Fourth Proportional to 3,384.72, 4,670.93 and 1,892.61

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Solution

The fourth proportional to 3,384.72, 4,670.93 and 1,892.61 is: 2,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.72 : 4,670.93 = 1,892.61 : x
  2. Step 2: Convert to fraction form
    3,384.72/4,670.93 = 1,892.61/x
  3. Step 3: Cross multiply
    3,384.72x = 4,670.93 × 1,892.61
  4. Step 4: Simplify right side
    3,384.72x = 8,840,239.36
  5. Step 5: Solve for x
    x = 8,840,239.36/3,384.72
  6. Step 6: Final answer
    x = 2,611.81

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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.