Home / 2,318-3,198.84-1,270.07

Finding the Fourth Proportional to 2,318, 3,198.84 and 1,270.07

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Solution

The fourth proportional to 2,318, 3,198.84 and 1,270.07 is: 1,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318 : 3,198.84 = 1,270.07 : x
  2. Step 2: Convert to fraction form
    2,318/3,198.84 = 1,270.07/x
  3. Step 3: Cross multiply
    2,318x = 3,198.84 × 1,270.07
  4. Step 4: Simplify right side
    2,318x = 4,062,750.72
  5. Step 5: Solve for x
    x = 4,062,750.72/2,318
  6. Step 6: Final answer
    x = 1,752.70

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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.