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Finding the Fourth Proportional to 2,388, 3,295.49 and 1,340.04

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Solution

The fourth proportional to 2,388, 3,295.49 and 1,340.04 is: 1,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388 : 3,295.49 = 1,340.04 : x
  2. Step 2: Convert to fraction form
    2,388/3,295.49 = 1,340.04/x
  3. Step 3: Cross multiply
    2,388x = 3,295.49 × 1,340.04
  4. Step 4: Simplify right side
    2,388x = 4,416,081.72
  5. Step 5: Solve for x
    x = 4,416,081.72/2,388
  6. Step 6: Final answer
    x = 1,849.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.