Home / 4,135.21-5,706.56-2,246.78

Finding the Fourth Proportional to 4,135.21, 5,706.56 and 2,246.78

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Solution

The fourth proportional to 4,135.21, 5,706.56 and 2,246.78 is: 3,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.21 : 5,706.56 = 2,246.78 : x
  2. Step 2: Convert to fraction form
    4,135.21/5,706.56 = 2,246.78/x
  3. Step 3: Cross multiply
    4,135.21x = 5,706.56 × 2,246.78
  4. Step 4: Simplify right side
    4,135.21x = 12,821,372.66
  5. Step 5: Solve for x
    x = 12,821,372.66/4,135.21
  6. Step 6: Final answer
    x = 3,100.54

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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.