Home / 2,934.21-4,049.08-1,607.88

Finding the Fourth Proportional to 2,934.21, 4,049.08 and 1,607.88

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Solution

The fourth proportional to 2,934.21, 4,049.08 and 1,607.88 is: 2,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.21 : 4,049.08 = 1,607.88 : x
  2. Step 2: Convert to fraction form
    2,934.21/4,049.08 = 1,607.88/x
  3. Step 3: Cross multiply
    2,934.21x = 4,049.08 × 1,607.88
  4. Step 4: Simplify right side
    2,934.21x = 6,510,434.75
  5. Step 5: Solve for x
    x = 6,510,434.75/2,934.21
  6. Step 6: Final answer
    x = 2,218.80

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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.