Home / 2,069.20-3,103.79-836.27

Finding the Fourth Proportional to 2,069.20, 3,103.79 and 836.27

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Solution

The fourth proportional to 2,069.20, 3,103.79 and 836.27 is: 1,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.20 : 3,103.79 = 836.27 : x
  2. Step 2: Convert to fraction form
    2,069.20/3,103.79 = 836.27/x
  3. Step 3: Cross multiply
    2,069.20x = 3,103.79 × 836.27
  4. Step 4: Simplify right side
    2,069.20x = 2,595,615.86
  5. Step 5: Solve for x
    x = 2,595,615.86/2,069.20
  6. Step 6: Final answer
    x = 1,254.41

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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.