Home / 2,713.56-3,745.42-1,719.32

Finding the Fourth Proportional to 2,713.56, 3,745.42 and 1,719.32

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Solution

The fourth proportional to 2,713.56, 3,745.42 and 1,719.32 is: 2,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.56 : 3,745.42 = 1,719.32 : x
  2. Step 2: Convert to fraction form
    2,713.56/3,745.42 = 1,719.32/x
  3. Step 3: Cross multiply
    2,713.56x = 3,745.42 × 1,719.32
  4. Step 4: Simplify right side
    2,713.56x = 6,439,575.51
  5. Step 5: Solve for x
    x = 6,439,575.51/2,713.56
  6. Step 6: Final answer
    x = 2,373.11

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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.