Home / 3,529.44-5,295.12-1,220.64

Finding the Fourth Proportional to 3,529.44, 5,295.12 and 1,220.64

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Solution

The fourth proportional to 3,529.44, 5,295.12 and 1,220.64 is: 1,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.44 : 5,295.12 = 1,220.64 : x
  2. Step 2: Convert to fraction form
    3,529.44/5,295.12 = 1,220.64/x
  3. Step 3: Cross multiply
    3,529.44x = 5,295.12 × 1,220.64
  4. Step 4: Simplify right side
    3,529.44x = 6,463,435.28
  5. Step 5: Solve for x
    x = 6,463,435.28/3,529.44
  6. Step 6: Final answer
    x = 1,831.29

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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.