Home / 2,321.63-3,203.74-1,273.67

Finding the Fourth Proportional to 2,321.63, 3,203.74 and 1,273.67

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Solution

The fourth proportional to 2,321.63, 3,203.74 and 1,273.67 is: 1,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.63 : 3,203.74 = 1,273.67 : x
  2. Step 2: Convert to fraction form
    2,321.63/3,203.74 = 1,273.67/x
  3. Step 3: Cross multiply
    2,321.63x = 3,203.74 × 1,273.67
  4. Step 4: Simplify right side
    2,321.63x = 4,080,507.53
  5. Step 5: Solve for x
    x = 4,080,507.53/2,321.63
  6. Step 6: Final answer
    x = 1,757.60

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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.