Home / 1,794.44-2,686.78-1,272.32

Finding the Fourth Proportional to 1,794.44, 2,686.78 and 1,272.32

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Solution

The fourth proportional to 1,794.44, 2,686.78 and 1,272.32 is: 1,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.44 : 2,686.78 = 1,272.32 : x
  2. Step 2: Convert to fraction form
    1,794.44/2,686.78 = 1,272.32/x
  3. Step 3: Cross multiply
    1,794.44x = 2,686.78 × 1,272.32
  4. Step 4: Simplify right side
    1,794.44x = 3,418,443.93
  5. Step 5: Solve for x
    x = 3,418,443.93/1,794.44
  6. Step 6: Final answer
    x = 1,905.02

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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.