Home / 1,908.15-2,632.44-1,199.51

Finding the Fourth Proportional to 1,908.15, 2,632.44 and 1,199.51

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Solution

The fourth proportional to 1,908.15, 2,632.44 and 1,199.51 is: 1,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.15 : 2,632.44 = 1,199.51 : x
  2. Step 2: Convert to fraction form
    1,908.15/2,632.44 = 1,199.51/x
  3. Step 3: Cross multiply
    1,908.15x = 2,632.44 × 1,199.51
  4. Step 4: Simplify right side
    1,908.15x = 3,157,620.44
  5. Step 5: Solve for x
    x = 3,157,620.44/1,908.15
  6. Step 6: Final answer
    x = 1,654.80

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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.