Home / 2,317.76-3,198.70-1,323.08

Finding the Fourth Proportional to 2,317.76, 3,198.70 and 1,323.08

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Solution

The fourth proportional to 2,317.76, 3,198.70 and 1,323.08 is: 1,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.76 : 3,198.70 = 1,323.08 : x
  2. Step 2: Convert to fraction form
    2,317.76/3,198.70 = 1,323.08/x
  3. Step 3: Cross multiply
    2,317.76x = 3,198.70 × 1,323.08
  4. Step 4: Simplify right side
    2,317.76x = 4,232,136.00
  5. Step 5: Solve for x
    x = 4,232,136.00/2,317.76
  6. Step 6: Final answer
    x = 1,825.96

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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.