Home / 3,086.49-4,259.60-1,759.89

Finding the Fourth Proportional to 3,086.49, 4,259.60 and 1,759.89

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Solution

The fourth proportional to 3,086.49, 4,259.60 and 1,759.89 is: 2,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.49 : 4,259.60 = 1,759.89 : x
  2. Step 2: Convert to fraction form
    3,086.49/4,259.60 = 1,759.89/x
  3. Step 3: Cross multiply
    3,086.49x = 4,259.60 × 1,759.89
  4. Step 4: Simplify right side
    3,086.49x = 7,496,427.44
  5. Step 5: Solve for x
    x = 7,496,427.44/3,086.49
  6. Step 6: Final answer
    x = 2,428.79

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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.