Home / 3,282.90-4,922.70-1,090.86

Finding the Fourth Proportional to 3,282.90, 4,922.70 and 1,090.86

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Solution

The fourth proportional to 3,282.90, 4,922.70 and 1,090.86 is: 1,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.90 : 4,922.70 = 1,090.86 : x
  2. Step 2: Convert to fraction form
    3,282.90/4,922.70 = 1,090.86/x
  3. Step 3: Cross multiply
    3,282.90x = 4,922.70 × 1,090.86
  4. Step 4: Simplify right side
    3,282.90x = 5,369,976.52
  5. Step 5: Solve for x
    x = 5,369,976.52/3,282.90
  6. Step 6: Final answer
    x = 1,635.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.