Home / 3,288.68-4,539.30-1,891.88

Finding the Fourth Proportional to 3,288.68, 4,539.30 and 1,891.88

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Solution

The fourth proportional to 3,288.68, 4,539.30 and 1,891.88 is: 2,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.68 : 4,539.30 = 1,891.88 : x
  2. Step 2: Convert to fraction form
    3,288.68/4,539.30 = 1,891.88/x
  3. Step 3: Cross multiply
    3,288.68x = 4,539.30 × 1,891.88
  4. Step 4: Simplify right side
    3,288.68x = 8,587,810.88
  5. Step 5: Solve for x
    x = 8,587,810.88/3,288.68
  6. Step 6: Final answer
    x = 2,611.32

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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.