Home / 3,220.06-4,833.21-1,555.36

Finding the Fourth Proportional to 3,220.06, 4,833.21 and 1,555.36

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Solution

The fourth proportional to 3,220.06, 4,833.21 and 1,555.36 is: 2,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.06 : 4,833.21 = 1,555.36 : x
  2. Step 2: Convert to fraction form
    3,220.06/4,833.21 = 1,555.36/x
  3. Step 3: Cross multiply
    3,220.06x = 4,833.21 × 1,555.36
  4. Step 4: Simplify right side
    3,220.06x = 7,517,357.34
  5. Step 5: Solve for x
    x = 7,517,357.34/3,220.06
  6. Step 6: Final answer
    x = 2,334.54

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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.