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Finding the Fourth Proportional to 2,310.66, 3,465.99 and 579.29

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Solution

The fourth proportional to 2,310.66, 3,465.99 and 579.29 is: 868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.66 : 3,465.99 = 579.29 : x
  2. Step 2: Convert to fraction form
    2,310.66/3,465.99 = 579.29/x
  3. Step 3: Cross multiply
    2,310.66x = 3,465.99 × 579.29
  4. Step 4: Simplify right side
    2,310.66x = 2,007,813.35
  5. Step 5: Solve for x
    x = 2,007,813.35/2,310.66
  6. Step 6: Final answer
    x = 868.94

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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.