Home / 3,766.70-5,197.80-2,087.98

Finding the Fourth Proportional to 3,766.70, 5,197.80 and 2,087.98

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Solution

The fourth proportional to 3,766.70, 5,197.80 and 2,087.98 is: 2,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.70 : 5,197.80 = 2,087.98 : x
  2. Step 2: Convert to fraction form
    3,766.70/5,197.80 = 2,087.98/x
  3. Step 3: Cross multiply
    3,766.70x = 5,197.80 × 2,087.98
  4. Step 4: Simplify right side
    3,766.70x = 10,852,897.28
  5. Step 5: Solve for x
    x = 10,852,897.28/3,766.70
  6. Step 6: Final answer
    x = 2,881.27

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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.