Home / 2,825.31-4,237.95-850.93

Finding the Fourth Proportional to 2,825.31, 4,237.95 and 850.93

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Solution

The fourth proportional to 2,825.31, 4,237.95 and 850.93 is: 1,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.31 : 4,237.95 = 850.93 : x
  2. Step 2: Convert to fraction form
    2,825.31/4,237.95 = 850.93/x
  3. Step 3: Cross multiply
    2,825.31x = 4,237.95 × 850.93
  4. Step 4: Simplify right side
    2,825.31x = 3,606,210.44
  5. Step 5: Solve for x
    x = 3,606,210.44/2,825.31
  6. Step 6: Final answer
    x = 1,276.39

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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.