Home / 2,839.25-4,259.75-1,453.56

Finding the Fourth Proportional to 2,839.25, 4,259.75 and 1,453.56

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Solution

The fourth proportional to 2,839.25, 4,259.75 and 1,453.56 is: 2,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.25 : 4,259.75 = 1,453.56 : x
  2. Step 2: Convert to fraction form
    2,839.25/4,259.75 = 1,453.56/x
  3. Step 3: Cross multiply
    2,839.25x = 4,259.75 × 1,453.56
  4. Step 4: Simplify right side
    2,839.25x = 6,191,799.57
  5. Step 5: Solve for x
    x = 6,191,799.57/2,839.25
  6. Step 6: Final answer
    x = 2,180.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.