Home / 3,123.96-4,310.73-1,797.54

Finding the Fourth Proportional to 3,123.96, 4,310.73 and 1,797.54

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Solution

The fourth proportional to 3,123.96, 4,310.73 and 1,797.54 is: 2,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.96 : 4,310.73 = 1,797.54 : x
  2. Step 2: Convert to fraction form
    3,123.96/4,310.73 = 1,797.54/x
  3. Step 3: Cross multiply
    3,123.96x = 4,310.73 × 1,797.54
  4. Step 4: Simplify right side
    3,123.96x = 7,748,709.60
  5. Step 5: Solve for x
    x = 7,748,709.60/3,123.96
  6. Step 6: Final answer
    x = 2,480.41

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1.5x scale

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.