Home / 2,934.50-4,049.39-1,607.99

Finding the Fourth Proportional to 2,934.50, 4,049.39 and 1,607.99

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Solution

The fourth proportional to 2,934.50, 4,049.39 and 1,607.99 is: 2,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.50 : 4,049.39 = 1,607.99 : x
  2. Step 2: Convert to fraction form
    2,934.50/4,049.39 = 1,607.99/x
  3. Step 3: Cross multiply
    2,934.50x = 4,049.39 × 1,607.99
  4. Step 4: Simplify right side
    2,934.50x = 6,511,362.40
  5. Step 5: Solve for x
    x = 6,511,362.40/2,934.50
  6. Step 6: Final answer
    x = 2,218.90

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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.