Home / 4,321.96-5,964.38-2,643.16

Finding the Fourth Proportional to 4,321.96, 5,964.38 and 2,643.16

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Solution

The fourth proportional to 4,321.96, 5,964.38 and 2,643.16 is: 3,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.96 : 5,964.38 = 2,643.16 : x
  2. Step 2: Convert to fraction form
    4,321.96/5,964.38 = 2,643.16/x
  3. Step 3: Cross multiply
    4,321.96x = 5,964.38 × 2,643.16
  4. Step 4: Simplify right side
    4,321.96x = 15,764,810.64
  5. Step 5: Solve for x
    x = 15,764,810.64/4,321.96
  6. Step 6: Final answer
    x = 3,647.61

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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.