Home / 3,331.40-5,019.64-2,759.33

Finding the Fourth Proportional to 3,331.40, 5,019.64 and 2,759.33

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Solution

The fourth proportional to 3,331.40, 5,019.64 and 2,759.33 is: 4,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.40 : 5,019.64 = 2,759.33 : x
  2. Step 2: Convert to fraction form
    3,331.40/5,019.64 = 2,759.33/x
  3. Step 3: Cross multiply
    3,331.40x = 5,019.64 × 2,759.33
  4. Step 4: Simplify right side
    3,331.40x = 13,850,848.89
  5. Step 5: Solve for x
    x = 13,850,848.89/3,331.40
  6. Step 6: Final answer
    x = 4,157.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.