Home / 2,318.36-3,198.54-1,373.96

Finding the Fourth Proportional to 2,318.36, 3,198.54 and 1,373.96

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Solution

The fourth proportional to 2,318.36, 3,198.54 and 1,373.96 is: 1,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.36 : 3,198.54 = 1,373.96 : x
  2. Step 2: Convert to fraction form
    2,318.36/3,198.54 = 1,373.96/x
  3. Step 3: Cross multiply
    2,318.36x = 3,198.54 × 1,373.96
  4. Step 4: Simplify right side
    2,318.36x = 4,394,666.02
  5. Step 5: Solve for x
    x = 4,394,666.02/2,318.36
  6. Step 6: Final answer
    x = 1,895.59

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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.