Home / 3,153.44-4,727.28-1,100.32

Finding the Fourth Proportional to 3,153.44, 4,727.28 and 1,100.32

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Solution

The fourth proportional to 3,153.44, 4,727.28 and 1,100.32 is: 1,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.44 : 4,727.28 = 1,100.32 : x
  2. Step 2: Convert to fraction form
    3,153.44/4,727.28 = 1,100.32/x
  3. Step 3: Cross multiply
    3,153.44x = 4,727.28 × 1,100.32
  4. Step 4: Simplify right side
    3,153.44x = 5,201,520.73
  5. Step 5: Solve for x
    x = 5,201,520.73/3,153.44
  6. Step 6: Final answer
    x = 1,649.48

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1.5x scale

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.