Home / 2,768.18-3,820.43-1,589.22

Finding the Fourth Proportional to 2,768.18, 3,820.43 and 1,589.22

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Solution

The fourth proportional to 2,768.18, 3,820.43 and 1,589.22 is: 2,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.18 : 3,820.43 = 1,589.22 : x
  2. Step 2: Convert to fraction form
    2,768.18/3,820.43 = 1,589.22/x
  3. Step 3: Cross multiply
    2,768.18x = 3,820.43 × 1,589.22
  4. Step 4: Simplify right side
    2,768.18x = 6,071,507.74
  5. Step 5: Solve for x
    x = 6,071,507.74/2,768.18
  6. Step 6: Final answer
    x = 2,193.33

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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.