Home / 3,396.86-4,687.37-1,904.58

Finding the Fourth Proportional to 3,396.86, 4,687.37 and 1,904.58

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Solution

The fourth proportional to 3,396.86, 4,687.37 and 1,904.58 is: 2,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.86 : 4,687.37 = 1,904.58 : x
  2. Step 2: Convert to fraction form
    3,396.86/4,687.37 = 1,904.58/x
  3. Step 3: Cross multiply
    3,396.86x = 4,687.37 × 1,904.58
  4. Step 4: Simplify right side
    3,396.86x = 8,927,471.15
  5. Step 5: Solve for x
    x = 8,927,471.15/3,396.86
  6. Step 6: Final answer
    x = 2,628.15

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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.