Home / 2,318.07-3,198.93-1,270.14

Finding the Fourth Proportional to 2,318.07, 3,198.93 and 1,270.14

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Solution

The fourth proportional to 2,318.07, 3,198.93 and 1,270.14 is: 1,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.07 : 3,198.93 = 1,270.14 : x
  2. Step 2: Convert to fraction form
    2,318.07/3,198.93 = 1,270.14/x
  3. Step 3: Cross multiply
    2,318.07x = 3,198.93 × 1,270.14
  4. Step 4: Simplify right side
    2,318.07x = 4,063,088.95
  5. Step 5: Solve for x
    x = 4,063,088.95/2,318.07
  6. Step 6: Final answer
    x = 1,752.79

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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.