Home / 3,154.44-4,353.66-1,828.20

Finding the Fourth Proportional to 3,154.44, 4,353.66 and 1,828.20

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Solution

The fourth proportional to 3,154.44, 4,353.66 and 1,828.20 is: 2,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.44 : 4,353.66 = 1,828.20 : x
  2. Step 2: Convert to fraction form
    3,154.44/4,353.66 = 1,828.20/x
  3. Step 3: Cross multiply
    3,154.44x = 4,353.66 × 1,828.20
  4. Step 4: Simplify right side
    3,154.44x = 7,959,361.21
  5. Step 5: Solve for x
    x = 7,959,361.21/3,154.44
  6. Step 6: Final answer
    x = 2,523.22

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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.