Home / 2,318.40-3,477.76-1,163.84

Finding the Fourth Proportional to 2,318.40, 3,477.76 and 1,163.84

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Solution

The fourth proportional to 2,318.40, 3,477.76 and 1,163.84 is: 1,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.40 : 3,477.76 = 1,163.84 : x
  2. Step 2: Convert to fraction form
    2,318.40/3,477.76 = 1,163.84/x
  3. Step 3: Cross multiply
    2,318.40x = 3,477.76 × 1,163.84
  4. Step 4: Simplify right side
    2,318.40x = 4,047,556.20
  5. Step 5: Solve for x
    x = 4,047,556.20/2,318.40
  6. Step 6: Final answer
    x = 1,745.84

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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.