Home / 1,794.12-2,690.73-1,272.60

Finding the Fourth Proportional to 1,794.12, 2,690.73 and 1,272.60

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Solution

The fourth proportional to 1,794.12, 2,690.73 and 1,272.60 is: 1,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.12 : 2,690.73 = 1,272.60 : x
  2. Step 2: Convert to fraction form
    1,794.12/2,690.73 = 1,272.60/x
  3. Step 3: Cross multiply
    1,794.12x = 2,690.73 × 1,272.60
  4. Step 4: Simplify right side
    1,794.12x = 3,424,223.00
  5. Step 5: Solve for x
    x = 3,424,223.00/1,794.12
  6. Step 6: Final answer
    x = 1,908.58

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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.