Home / 3,100.50-4,651.43-1,369.13

Finding the Fourth Proportional to 3,100.50, 4,651.43 and 1,369.13

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Solution

The fourth proportional to 3,100.50, 4,651.43 and 1,369.13 is: 2,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.50 : 4,651.43 = 1,369.13 : x
  2. Step 2: Convert to fraction form
    3,100.50/4,651.43 = 1,369.13/x
  3. Step 3: Cross multiply
    3,100.50x = 4,651.43 × 1,369.13
  4. Step 4: Simplify right side
    3,100.50x = 6,368,382.25
  5. Step 5: Solve for x
    x = 6,368,382.25/3,100.50
  6. Step 6: Final answer
    x = 2,053.99

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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.