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Finding the Fourth Proportional to 2,341.63, 3,509.18 and 1,819.25

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Solution

The fourth proportional to 2,341.63, 3,509.18 and 1,819.25 is: 2,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.63 : 3,509.18 = 1,819.25 : x
  2. Step 2: Convert to fraction form
    2,341.63/3,509.18 = 1,819.25/x
  3. Step 3: Cross multiply
    2,341.63x = 3,509.18 × 1,819.25
  4. Step 4: Simplify right side
    2,341.63x = 6,384,049.07
  5. Step 5: Solve for x
    x = 6,384,049.07/2,341.63
  6. Step 6: Final answer
    x = 2,726.33

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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.