Home / 1,346.89-2,020.35-1,163.74

Finding the Fourth Proportional to 1,346.89, 2,020.35 and 1,163.74

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Solution

The fourth proportional to 1,346.89, 2,020.35 and 1,163.74 is: 1,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.89 : 2,020.35 = 1,163.74 : x
  2. Step 2: Convert to fraction form
    1,346.89/2,020.35 = 1,163.74/x
  3. Step 3: Cross multiply
    1,346.89x = 2,020.35 × 1,163.74
  4. Step 4: Simplify right side
    1,346.89x = 2,351,162.11
  5. Step 5: Solve for x
    x = 2,351,162.11/1,346.89
  6. Step 6: Final answer
    x = 1,745.62

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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.