Home / 2,719.10-4,084.12-2,642.54

Finding the Fourth Proportional to 2,719.10, 4,084.12 and 2,642.54

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Solution

The fourth proportional to 2,719.10, 4,084.12 and 2,642.54 is: 3,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.10 : 4,084.12 = 2,642.54 : x
  2. Step 2: Convert to fraction form
    2,719.10/4,084.12 = 2,642.54/x
  3. Step 3: Cross multiply
    2,719.10x = 4,084.12 × 2,642.54
  4. Step 4: Simplify right side
    2,719.10x = 10,792,450.46
  5. Step 5: Solve for x
    x = 10,792,450.46/2,719.10
  6. Step 6: Final answer
    x = 3,969.13

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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.