Home / 2,220.75-3,330.05-1,050.03

Finding the Fourth Proportional to 2,220.75, 3,330.05 and 1,050.03

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Solution

The fourth proportional to 2,220.75, 3,330.05 and 1,050.03 is: 1,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.75 : 3,330.05 = 1,050.03 : x
  2. Step 2: Convert to fraction form
    2,220.75/3,330.05 = 1,050.03/x
  3. Step 3: Cross multiply
    2,220.75x = 3,330.05 × 1,050.03
  4. Step 4: Simplify right side
    2,220.75x = 3,496,647.15
  5. Step 5: Solve for x
    x = 3,496,647.15/2,220.75
  6. Step 6: Final answer
    x = 1,574.53

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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.