Home / 2,321.75-3,204.03-1,259.53

Finding the Fourth Proportional to 2,321.75, 3,204.03 and 1,259.53

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Solution

The fourth proportional to 2,321.75, 3,204.03 and 1,259.53 is: 1,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.75 : 3,204.03 = 1,259.53 : x
  2. Step 2: Convert to fraction form
    2,321.75/3,204.03 = 1,259.53/x
  3. Step 3: Cross multiply
    2,321.75x = 3,204.03 × 1,259.53
  4. Step 4: Simplify right side
    2,321.75x = 4,035,571.91
  5. Step 5: Solve for x
    x = 4,035,571.91/2,321.75
  6. Step 6: Final answer
    x = 1,738.16

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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.