Home / 3,766.49-5,197.70-2,087.90

Finding the Fourth Proportional to 3,766.49, 5,197.70 and 2,087.90

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Solution

The fourth proportional to 3,766.49, 5,197.70 and 2,087.90 is: 2,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.49 : 5,197.70 = 2,087.90 : x
  2. Step 2: Convert to fraction form
    3,766.49/5,197.70 = 2,087.90/x
  3. Step 3: Cross multiply
    3,766.49x = 5,197.70 × 2,087.90
  4. Step 4: Simplify right side
    3,766.49x = 10,852,277.83
  5. Step 5: Solve for x
    x = 10,852,277.83/3,766.49
  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.