Home / 2,768.28-3,820.14-1,589.33

Finding the Fourth Proportional to 2,768.28, 3,820.14 and 1,589.33

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Solution

The fourth proportional to 2,768.28, 3,820.14 and 1,589.33 is: 2,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.28 : 3,820.14 = 1,589.33 : x
  2. Step 2: Convert to fraction form
    2,768.28/3,820.14 = 1,589.33/x
  3. Step 3: Cross multiply
    2,768.28x = 3,820.14 × 1,589.33
  4. Step 4: Simplify right side
    2,768.28x = 6,071,444.01
  5. Step 5: Solve for x
    x = 6,071,444.01/2,768.28
  6. Step 6: Final answer
    x = 2,193.22

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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.