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Finding the Fourth Proportional to 2,757.86, 3,804.84 and 1,814.18

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Solution

The fourth proportional to 2,757.86, 3,804.84 and 1,814.18 is: 2,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.86 : 3,804.84 = 1,814.18 : x
  2. Step 2: Convert to fraction form
    2,757.86/3,804.84 = 1,814.18/x
  3. Step 3: Cross multiply
    2,757.86x = 3,804.84 × 1,814.18
  4. Step 4: Simplify right side
    2,757.86x = 6,902,664.63
  5. Step 5: Solve for x
    x = 6,902,664.63/2,757.86
  6. Step 6: Final answer
    x = 2,502.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.