Home / 1,245.82-1,719.48-950.56

Finding the Fourth Proportional to 1,245.82, 1,719.48 and 950.56

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Solution

The fourth proportional to 1,245.82, 1,719.48 and 950.56 is: 1,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.82 : 1,719.48 = 950.56 : x
  2. Step 2: Convert to fraction form
    1,245.82/1,719.48 = 950.56/x
  3. Step 3: Cross multiply
    1,245.82x = 1,719.48 × 950.56
  4. Step 4: Simplify right side
    1,245.82x = 1,634,468.91
  5. Step 5: Solve for x
    x = 1,634,468.91/1,245.82
  6. Step 6: Final answer
    x = 1,311.96

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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.