Home / 2,768.44-3,820.20-1,589.56

Finding the Fourth Proportional to 2,768.44, 3,820.20 and 1,589.56

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Solution

The fourth proportional to 2,768.44, 3,820.20 and 1,589.56 is: 2,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.44 : 3,820.20 = 1,589.56 : x
  2. Step 2: Convert to fraction form
    2,768.44/3,820.20 = 1,589.56/x
  3. Step 3: Cross multiply
    2,768.44x = 3,820.20 × 1,589.56
  4. Step 4: Simplify right side
    2,768.44x = 6,072,437.11
  5. Step 5: Solve for x
    x = 6,072,437.11/2,768.44
  6. Step 6: Final answer
    x = 2,193.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.