Home / 1,146.24-1,716.94-950.78

Finding the Fourth Proportional to 1,146.24, 1,716.94 and 950.78

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Solution

The fourth proportional to 1,146.24, 1,716.94 and 950.78 is: 1,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.24 : 1,716.94 = 950.78 : x
  2. Step 2: Convert to fraction form
    1,146.24/1,716.94 = 950.78/x
  3. Step 3: Cross multiply
    1,146.24x = 1,716.94 × 950.78
  4. Step 4: Simplify right side
    1,146.24x = 1,632,432.21
  5. Step 5: Solve for x
    x = 1,632,432.21/1,146.24
  6. Step 6: Final answer
    x = 1,424.16

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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.