Home / 2,455.21-3,683.42-1,156.38

Finding the Fourth Proportional to 2,455.21, 3,683.42 and 1,156.38

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Solution

The fourth proportional to 2,455.21, 3,683.42 and 1,156.38 is: 1,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.21 : 3,683.42 = 1,156.38 : x
  2. Step 2: Convert to fraction form
    2,455.21/3,683.42 = 1,156.38/x
  3. Step 3: Cross multiply
    2,455.21x = 3,683.42 × 1,156.38
  4. Step 4: Simplify right side
    2,455.21x = 4,259,433.22
  5. Step 5: Solve for x
    x = 4,259,433.22/2,455.21
  6. Step 6: Final answer
    x = 1,734.85

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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.