Home / 3,384.09-4,669.68-1,892.15

Finding the Fourth Proportional to 3,384.09, 4,669.68 and 1,892.15

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Solution

The fourth proportional to 3,384.09, 4,669.68 and 1,892.15 is: 2,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.09 : 4,669.68 = 1,892.15 : x
  2. Step 2: Convert to fraction form
    3,384.09/4,669.68 = 1,892.15/x
  3. Step 3: Cross multiply
    3,384.09x = 4,669.68 × 1,892.15
  4. Step 4: Simplify right side
    3,384.09x = 8,835,711.66
  5. Step 5: Solve for x
    x = 8,835,711.66/3,384.09
  6. Step 6: Final answer
    x = 2,610.96

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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.