Home / 1,942.98-2,682.09-1,156.88

Finding the Fourth Proportional to 1,942.98, 2,682.09 and 1,156.88

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Solution

The fourth proportional to 1,942.98, 2,682.09 and 1,156.88 is: 1,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.98 : 2,682.09 = 1,156.88 : x
  2. Step 2: Convert to fraction form
    1,942.98/2,682.09 = 1,156.88/x
  3. Step 3: Cross multiply
    1,942.98x = 2,682.09 × 1,156.88
  4. Step 4: Simplify right side
    1,942.98x = 3,102,842.87
  5. Step 5: Solve for x
    x = 3,102,842.87/1,942.98
  6. Step 6: Final answer
    x = 1,596.95

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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.