Home / 3,100.80-4,651.42-1,251.93

Finding the Fourth Proportional to 3,100.80, 4,651.42 and 1,251.93

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Solution

The fourth proportional to 3,100.80, 4,651.42 and 1,251.93 is: 1,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.80 : 4,651.42 = 1,251.93 : x
  2. Step 2: Convert to fraction form
    3,100.80/4,651.42 = 1,251.93/x
  3. Step 3: Cross multiply
    3,100.80x = 4,651.42 × 1,251.93
  4. Step 4: Simplify right side
    3,100.80x = 5,823,252.24
  5. Step 5: Solve for x
    x = 5,823,252.24/3,100.80
  6. Step 6: Final answer
    x = 1,877.98

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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.