Home / 2,021.43-3,033.18-836.35

Finding the Fourth Proportional to 2,021.43, 3,033.18 and 836.35

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Solution

The fourth proportional to 2,021.43, 3,033.18 and 836.35 is: 1,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.43 : 3,033.18 = 836.35 : x
  2. Step 2: Convert to fraction form
    2,021.43/3,033.18 = 836.35/x
  3. Step 3: Cross multiply
    2,021.43x = 3,033.18 × 836.35
  4. Step 4: Simplify right side
    2,021.43x = 2,536,785.25
  5. Step 5: Solve for x
    x = 2,536,785.25/2,021.43
  6. Step 6: Final answer
    x = 1,254.95

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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.