Home / 3,384.50-4,670.66-1,892.41

Finding the Fourth Proportional to 3,384.50, 4,670.66 and 1,892.41

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Solution

The fourth proportional to 3,384.50, 4,670.66 and 1,892.41 is: 2,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.50 : 4,670.66 = 1,892.41 : x
  2. Step 2: Convert to fraction form
    3,384.50/4,670.66 = 1,892.41/x
  3. Step 3: Cross multiply
    3,384.50x = 4,670.66 × 1,892.41
  4. Step 4: Simplify right side
    3,384.50x = 8,838,803.69
  5. Step 5: Solve for x
    x = 8,838,803.69/3,384.50
  6. Step 6: Final answer
    x = 2,611.55

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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.