Home / 4,137.55-5,709.48-2,435.78

Finding the Fourth Proportional to 4,137.55, 5,709.48 and 2,435.78

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Solution

The fourth proportional to 4,137.55, 5,709.48 and 2,435.78 is: 3,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.55 : 5,709.48 = 2,435.78 : x
  2. Step 2: Convert to fraction form
    4,137.55/5,709.48 = 2,435.78/x
  3. Step 3: Cross multiply
    4,137.55x = 5,709.48 × 2,435.78
  4. Step 4: Simplify right side
    4,137.55x = 13,907,042.33
  5. Step 5: Solve for x
    x = 13,907,042.33/4,137.55
  6. Step 6: Final answer
    x = 3,361.18

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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.