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Finding the Fourth Proportional to 1,897.37, 2,846.19 and 727.93

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Solution

The fourth proportional to 1,897.37, 2,846.19 and 727.93 is: 1,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.37 : 2,846.19 = 727.93 : x
  2. Step 2: Convert to fraction form
    1,897.37/2,846.19 = 727.93/x
  3. Step 3: Cross multiply
    1,897.37x = 2,846.19 × 727.93
  4. Step 4: Simplify right side
    1,897.37x = 2,071,812.86
  5. Step 5: Solve for x
    x = 2,071,812.86/1,897.37
  6. Step 6: Final answer
    x = 1,091.94

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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.