Home / 2,517.42-3,455.34-2,231.34

Finding the Fourth Proportional to 2,517.42, 3,455.34 and 2,231.34

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Solution

The fourth proportional to 2,517.42, 3,455.34 and 2,231.34 is: 3,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.42 : 3,455.34 = 2,231.34 : x
  2. Step 2: Convert to fraction form
    2,517.42/3,455.34 = 2,231.34/x
  3. Step 3: Cross multiply
    2,517.42x = 3,455.34 × 2,231.34
  4. Step 4: Simplify right side
    2,517.42x = 7,710,038.36
  5. Step 5: Solve for x
    x = 7,710,038.36/2,517.42
  6. Step 6: Final answer
    x = 3,062.67

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.