Home / 2,683.50-4,025.30-834.60

Finding the Fourth Proportional to 2,683.50, 4,025.30 and 834.60

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Solution

The fourth proportional to 2,683.50, 4,025.30 and 834.60 is: 1,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.50 : 4,025.30 = 834.60 : x
  2. Step 2: Convert to fraction form
    2,683.50/4,025.30 = 834.60/x
  3. Step 3: Cross multiply
    2,683.50x = 4,025.30 × 834.60
  4. Step 4: Simplify right side
    2,683.50x = 3,359,515.38
  5. Step 5: Solve for x
    x = 3,359,515.38/2,683.50
  6. Step 6: Final answer
    x = 1,251.92

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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.