Home / 2,220.15-3,323.04-1,635.03

Finding the Fourth Proportional to 2,220.15, 3,323.04 and 1,635.03

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Solution

The fourth proportional to 2,220.15, 3,323.04 and 1,635.03 is: 2,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.15 : 3,323.04 = 1,635.03 : x
  2. Step 2: Convert to fraction form
    2,220.15/3,323.04 = 1,635.03/x
  3. Step 3: Cross multiply
    2,220.15x = 3,323.04 × 1,635.03
  4. Step 4: Simplify right side
    2,220.15x = 5,433,270.09
  5. Step 5: Solve for x
    x = 5,433,270.09/2,220.15
  6. Step 6: Final answer
    x = 2,447.25

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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.