Home / 3,142.92-4,711.60-2,683.64

Finding the Fourth Proportional to 3,142.92, 4,711.60 and 2,683.64

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Solution

The fourth proportional to 3,142.92, 4,711.60 and 2,683.64 is: 4,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.92 : 4,711.60 = 2,683.64 : x
  2. Step 2: Convert to fraction form
    3,142.92/4,711.60 = 2,683.64/x
  3. Step 3: Cross multiply
    3,142.92x = 4,711.60 × 2,683.64
  4. Step 4: Simplify right side
    3,142.92x = 12,644,238.22
  5. Step 5: Solve for x
    x = 12,644,238.22/3,142.92
  6. Step 6: Final answer
    x = 4,023.09

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1.5x scale

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.