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Finding the Fourth Proportional to 2,643.80, 3,648.84 and 1,596.44

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Solution

The fourth proportional to 2,643.80, 3,648.84 and 1,596.44 is: 2,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.80 : 3,648.84 = 1,596.44 : x
  2. Step 2: Convert to fraction form
    2,643.80/3,648.84 = 1,596.44/x
  3. Step 3: Cross multiply
    2,643.80x = 3,648.84 × 1,596.44
  4. Step 4: Simplify right side
    2,643.80x = 5,825,154.13
  5. Step 5: Solve for x
    x = 5,825,154.13/2,643.80
  6. Step 6: Final answer
    x = 2,203.33

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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.