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Finding the Fourth Proportional to 3,230.51, 4,844.90 and 889.96

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Solution

The fourth proportional to 3,230.51, 4,844.90 and 889.96 is: 1,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.51 : 4,844.90 = 889.96 : x
  2. Step 2: Convert to fraction form
    3,230.51/4,844.90 = 889.96/x
  3. Step 3: Cross multiply
    3,230.51x = 4,844.90 × 889.96
  4. Step 4: Simplify right side
    3,230.51x = 4,311,743.42
  5. Step 5: Solve for x
    x = 4,311,743.42/3,230.51
  6. Step 6: Final answer
    x = 1,334.70

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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.