Home / 2,715.73-4,074.09-1,792.06

Finding the Fourth Proportional to 2,715.73, 4,074.09 and 1,792.06

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Solution

The fourth proportional to 2,715.73, 4,074.09 and 1,792.06 is: 2,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.73 : 4,074.09 = 1,792.06 : x
  2. Step 2: Convert to fraction form
    2,715.73/4,074.09 = 1,792.06/x
  3. Step 3: Cross multiply
    2,715.73x = 4,074.09 × 1,792.06
  4. Step 4: Simplify right side
    2,715.73x = 7,301,013.73
  5. Step 5: Solve for x
    x = 7,301,013.73/2,715.73
  6. Step 6: Final answer
    x = 2,688.42

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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.