Home / 2,719.09-3,751.11-1,922.46

Finding the Fourth Proportional to 2,719.09, 3,751.11 and 1,922.46

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Solution

The fourth proportional to 2,719.09, 3,751.11 and 1,922.46 is: 2,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.09 : 3,751.11 = 1,922.46 : x
  2. Step 2: Convert to fraction form
    2,719.09/3,751.11 = 1,922.46/x
  3. Step 3: Cross multiply
    2,719.09x = 3,751.11 × 1,922.46
  4. Step 4: Simplify right side
    2,719.09x = 7,211,358.93
  5. Step 5: Solve for x
    x = 7,211,358.93/2,719.09
  6. Step 6: Final answer
    x = 2,652.12

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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.