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Finding the Fourth Proportional to 2,950.06, 4,424.82 and 758.74

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Solution

The fourth proportional to 2,950.06, 4,424.82 and 758.74 is: 1,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.06 : 4,424.82 = 758.74 : x
  2. Step 2: Convert to fraction form
    2,950.06/4,424.82 = 758.74/x
  3. Step 3: Cross multiply
    2,950.06x = 4,424.82 × 758.74
  4. Step 4: Simplify right side
    2,950.06x = 3,357,287.93
  5. Step 5: Solve for x
    x = 3,357,287.93/2,950.06
  6. Step 6: Final answer
    x = 1,138.04

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1.5x scale

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.