Home / 4,122.91-6,185.31-1,349.74

Finding the Fourth Proportional to 4,122.91, 6,185.31 and 1,349.74

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Solution

The fourth proportional to 4,122.91, 6,185.31 and 1,349.74 is: 2,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.91 : 6,185.31 = 1,349.74 : x
  2. Step 2: Convert to fraction form
    4,122.91/6,185.31 = 1,349.74/x
  3. Step 3: Cross multiply
    4,122.91x = 6,185.31 × 1,349.74
  4. Step 4: Simplify right side
    4,122.91x = 8,348,560.32
  5. Step 5: Solve for x
    x = 8,348,560.32/4,122.91
  6. Step 6: Final answer
    x = 2,024.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.