Home / 2,220.25-3,331.59-1,066

Finding the Fourth Proportional to 2,220.25, 3,331.59 and 1,066

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Solution

The fourth proportional to 2,220.25, 3,331.59 and 1,066 is: 1,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.25 : 3,331.59 = 1,066 : x
  2. Step 2: Convert to fraction form
    2,220.25/3,331.59 = 1,066/x
  3. Step 3: Cross multiply
    2,220.25x = 3,331.59 × 1,066
  4. Step 4: Simplify right side
    2,220.25x = 3,551,474.94
  5. Step 5: Solve for x
    x = 3,551,474.94/2,220.25
  6. Step 6: Final answer
    x = 1,599.58

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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.