Home / 2,683.62-4,024.94-1,123.20

Finding the Fourth Proportional to 2,683.62, 4,024.94 and 1,123.20

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Solution

The fourth proportional to 2,683.62, 4,024.94 and 1,123.20 is: 1,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.62 : 4,024.94 = 1,123.20 : x
  2. Step 2: Convert to fraction form
    2,683.62/4,024.94 = 1,123.20/x
  3. Step 3: Cross multiply
    2,683.62x = 4,024.94 × 1,123.20
  4. Step 4: Simplify right side
    2,683.62x = 4,520,806.99
  5. Step 5: Solve for x
    x = 4,520,806.99/2,683.62
  6. Step 6: Final answer
    x = 1,684.59

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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.