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Finding the Fourth Proportional to 2,713.67, 3,745.27 and 1,719.04

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Solution

The fourth proportional to 2,713.67, 3,745.27 and 1,719.04 is: 2,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.67 : 3,745.27 = 1,719.04 : x
  2. Step 2: Convert to fraction form
    2,713.67/3,745.27 = 1,719.04/x
  3. Step 3: Cross multiply
    2,713.67x = 3,745.27 × 1,719.04
  4. Step 4: Simplify right side
    2,713.67x = 6,438,268.94
  5. Step 5: Solve for x
    x = 6,438,268.94/2,713.67
  6. Step 6: Final answer
    x = 2,372.53

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1.5x scale

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.