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Finding the Fourth Proportional to 1,823.86, 2,736.39 and 727.93

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Solution

The fourth proportional to 1,823.86, 2,736.39 and 727.93 is: 1,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.86 : 2,736.39 = 727.93 : x
  2. Step 2: Convert to fraction form
    1,823.86/2,736.39 = 727.93/x
  3. Step 3: Cross multiply
    1,823.86x = 2,736.39 × 727.93
  4. Step 4: Simplify right side
    1,823.86x = 1,991,886.69
  5. Step 5: Solve for x
    x = 1,991,886.69/1,823.86
  6. Step 6: Final answer
    x = 1,092.13

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1.5x scale

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.