Home / 2,825.56-4,238.34-1,851.43

Finding the Fourth Proportional to 2,825.56, 4,238.34 and 1,851.43

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Solution

The fourth proportional to 2,825.56, 4,238.34 and 1,851.43 is: 2,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.56 : 4,238.34 = 1,851.43 : x
  2. Step 2: Convert to fraction form
    2,825.56/4,238.34 = 1,851.43/x
  3. Step 3: Cross multiply
    2,825.56x = 4,238.34 × 1,851.43
  4. Step 4: Simplify right side
    2,825.56x = 7,846,994.76
  5. Step 5: Solve for x
    x = 7,846,994.76/2,825.56
  6. Step 6: Final answer
    x = 2,777.15

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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.