Home / 1,738.50-2,608.17-505.99

Finding the Fourth Proportional to 1,738.50, 2,608.17 and 505.99

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Solution

The fourth proportional to 1,738.50, 2,608.17 and 505.99 is: 759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.50 : 2,608.17 = 505.99 : x
  2. Step 2: Convert to fraction form
    1,738.50/2,608.17 = 505.99/x
  3. Step 3: Cross multiply
    1,738.50x = 2,608.17 × 505.99
  4. Step 4: Simplify right side
    1,738.50x = 1,319,707.94
  5. Step 5: Solve for x
    x = 1,319,707.94/1,738.50
  6. Step 6: Final answer
    x = 759.11

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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.