Home / 3,836.89-5,750.63-1,986.95

Finding the Fourth Proportional to 3,836.89, 5,750.63 and 1,986.95

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Solution

The fourth proportional to 3,836.89, 5,750.63 and 1,986.95 is: 2,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.89 : 5,750.63 = 1,986.95 : x
  2. Step 2: Convert to fraction form
    3,836.89/5,750.63 = 1,986.95/x
  3. Step 3: Cross multiply
    3,836.89x = 5,750.63 × 1,986.95
  4. Step 4: Simplify right side
    3,836.89x = 11,426,214.28
  5. Step 5: Solve for x
    x = 11,426,214.28/3,836.89
  6. Step 6: Final answer
    x = 2,977.99

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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.