Home / 4,321.98-5,963.76-2,643.48

Finding the Fourth Proportional to 4,321.98, 5,963.76 and 2,643.48

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Solution

The fourth proportional to 4,321.98, 5,963.76 and 2,643.48 is: 3,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.98 : 5,963.76 = 2,643.48 : x
  2. Step 2: Convert to fraction form
    4,321.98/5,963.76 = 2,643.48/x
  3. Step 3: Cross multiply
    4,321.98x = 5,963.76 × 2,643.48
  4. Step 4: Simplify right side
    4,321.98x = 15,765,080.28
  5. Step 5: Solve for x
    x = 15,765,080.28/4,321.98
  6. Step 6: Final answer
    x = 3,647.65

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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.