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Finding the Fourth Proportional to 2,300.39, 3,450.65 and 569

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Solution

The fourth proportional to 2,300.39, 3,450.65 and 569 is: 853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.39 : 3,450.65 = 569 : x
  2. Step 2: Convert to fraction form
    2,300.39/3,450.65 = 569/x
  3. Step 3: Cross multiply
    2,300.39x = 3,450.65 × 569
  4. Step 4: Simplify right side
    2,300.39x = 1,963,419.85
  5. Step 5: Solve for x
    x = 1,963,419.85/2,300.39
  6. Step 6: Final answer
    x = 853.52

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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.