Home / 2,942.15-4,059.53-1,682.87

Finding the Fourth Proportional to 2,942.15, 4,059.53 and 1,682.87

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Solution

The fourth proportional to 2,942.15, 4,059.53 and 1,682.87 is: 2,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.15 : 4,059.53 = 1,682.87 : x
  2. Step 2: Convert to fraction form
    2,942.15/4,059.53 = 1,682.87/x
  3. Step 3: Cross multiply
    2,942.15x = 4,059.53 × 1,682.87
  4. Step 4: Simplify right side
    2,942.15x = 6,831,632.54
  5. Step 5: Solve for x
    x = 6,831,632.54/2,942.15
  6. Step 6: Final answer
    x = 2,321.99

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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.