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Finding the Fourth Proportional to 2,286.23, 3,429.33 and 554.86

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Solution

The fourth proportional to 2,286.23, 3,429.33 and 554.86 is: 832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.23 : 3,429.33 = 554.86 : x
  2. Step 2: Convert to fraction form
    2,286.23/3,429.33 = 554.86/x
  3. Step 3: Cross multiply
    2,286.23x = 3,429.33 × 554.86
  4. Step 4: Simplify right side
    2,286.23x = 1,902,798.04
  5. Step 5: Solve for x
    x = 1,902,798.04/2,286.23
  6. Step 6: Final answer
    x = 832.29

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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.