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Finding the Fourth Proportional to 3,045.39, 4,568.07 and 736.89

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Solution

The fourth proportional to 3,045.39, 4,568.07 and 736.89 is: 1,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.39 : 4,568.07 = 736.89 : x
  2. Step 2: Convert to fraction form
    3,045.39/4,568.07 = 736.89/x
  3. Step 3: Cross multiply
    3,045.39x = 4,568.07 × 736.89
  4. Step 4: Simplify right side
    3,045.39x = 3,366,165.10
  5. Step 5: Solve for x
    x = 3,366,165.10/3,045.39
  6. Step 6: Final answer
    x = 1,105.33

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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.