Home / 2,097.81-3,146.73-1,371.99

Finding the Fourth Proportional to 2,097.81, 3,146.73 and 1,371.99

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Solution

The fourth proportional to 2,097.81, 3,146.73 and 1,371.99 is: 2,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.81 : 3,146.73 = 1,371.99 : x
  2. Step 2: Convert to fraction form
    2,097.81/3,146.73 = 1,371.99/x
  3. Step 3: Cross multiply
    2,097.81x = 3,146.73 × 1,371.99
  4. Step 4: Simplify right side
    2,097.81x = 4,317,282.09
  5. Step 5: Solve for x
    x = 4,317,282.09/2,097.81
  6. Step 6: Final answer
    x = 2,057.99

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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.