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Finding the Fourth Proportional to 1,859.30, 2,788.95 and 1,736.29

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Solution

The fourth proportional to 1,859.30, 2,788.95 and 1,736.29 is: 2,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.30 : 2,788.95 = 1,736.29 : x
  2. Step 2: Convert to fraction form
    1,859.30/2,788.95 = 1,736.29/x
  3. Step 3: Cross multiply
    1,859.30x = 2,788.95 × 1,736.29
  4. Step 4: Simplify right side
    1,859.30x = 4,842,412.05
  5. Step 5: Solve for x
    x = 4,842,412.05/1,859.30
  6. Step 6: Final answer
    x = 2,604.43

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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.