Home / 1,950.02-2,691.44-1,286.96

Finding the Fourth Proportional to 1,950.02, 2,691.44 and 1,286.96

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Solution

The fourth proportional to 1,950.02, 2,691.44 and 1,286.96 is: 1,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.02 : 2,691.44 = 1,286.96 : x
  2. Step 2: Convert to fraction form
    1,950.02/2,691.44 = 1,286.96/x
  3. Step 3: Cross multiply
    1,950.02x = 2,691.44 × 1,286.96
  4. Step 4: Simplify right side
    1,950.02x = 3,463,775.62
  5. Step 5: Solve for x
    x = 3,463,775.62/1,950.02
  6. Step 6: Final answer
    x = 1,776.28

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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.