Home / 2,830.85-4,246.46-750.83

Finding the Fourth Proportional to 2,830.85, 4,246.46 and 750.83

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Solution

The fourth proportional to 2,830.85, 4,246.46 and 750.83 is: 1,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.85 : 4,246.46 = 750.83 : x
  2. Step 2: Convert to fraction form
    2,830.85/4,246.46 = 750.83/x
  3. Step 3: Cross multiply
    2,830.85x = 4,246.46 × 750.83
  4. Step 4: Simplify right side
    2,830.85x = 3,188,360.82
  5. Step 5: Solve for x
    x = 3,188,360.82/2,830.85
  6. Step 6: Final answer
    x = 1,126.29

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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.