Home / 3,220.70-4,443.53-1,962.27

Finding the Fourth Proportional to 3,220.70, 4,443.53 and 1,962.27

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Solution

The fourth proportional to 3,220.70, 4,443.53 and 1,962.27 is: 2,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.70 : 4,443.53 = 1,962.27 : x
  2. Step 2: Convert to fraction form
    3,220.70/4,443.53 = 1,962.27/x
  3. Step 3: Cross multiply
    3,220.70x = 4,443.53 × 1,962.27
  4. Step 4: Simplify right side
    3,220.70x = 8,719,410.52
  5. Step 5: Solve for x
    x = 8,719,410.52/3,220.70
  6. Step 6: Final answer
    x = 2,707.30

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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.