Home / 2,934.09-4,049.15-1,607.79

Finding the Fourth Proportional to 2,934.09, 4,049.15 and 1,607.79

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Solution

The fourth proportional to 2,934.09, 4,049.15 and 1,607.79 is: 2,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.09 : 4,049.15 = 1,607.79 : x
  2. Step 2: Convert to fraction form
    2,934.09/4,049.15 = 1,607.79/x
  3. Step 3: Cross multiply
    2,934.09x = 4,049.15 × 1,607.79
  4. Step 4: Simplify right side
    2,934.09x = 6,510,174.84
  5. Step 5: Solve for x
    x = 6,510,174.84/2,934.09
  6. Step 6: Final answer
    x = 2,218.81

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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.