Home / 1,396.96-2,097.06-1,323.52

Finding the Fourth Proportional to 1,396.96, 2,097.06 and 1,323.52

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Solution

The fourth proportional to 1,396.96, 2,097.06 and 1,323.52 is: 1,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.96 : 2,097.06 = 1,323.52 : x
  2. Step 2: Convert to fraction form
    1,396.96/2,097.06 = 1,323.52/x
  3. Step 3: Cross multiply
    1,396.96x = 2,097.06 × 1,323.52
  4. Step 4: Simplify right side
    1,396.96x = 2,775,500.85
  5. Step 5: Solve for x
    x = 2,775,500.85/1,396.96
  6. Step 6: Final answer
    x = 1,986.81

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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.