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Finding the Fourth Proportional to 1,894.48, 2,842.54 and 662.77

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Solution

The fourth proportional to 1,894.48, 2,842.54 and 662.77 is: 994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.48 : 2,842.54 = 662.77 : x
  2. Step 2: Convert to fraction form
    1,894.48/2,842.54 = 662.77/x
  3. Step 3: Cross multiply
    1,894.48x = 2,842.54 × 662.77
  4. Step 4: Simplify right side
    1,894.48x = 1,883,950.24
  5. Step 5: Solve for x
    x = 1,883,950.24/1,894.48
  6. Step 6: Final answer
    x = 994.44

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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.