Home / 2,220.67-3,331.31-1,759.31

Finding the Fourth Proportional to 2,220.67, 3,331.31 and 1,759.31

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Solution

The fourth proportional to 2,220.67, 3,331.31 and 1,759.31 is: 2,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.67 : 3,331.31 = 1,759.31 : x
  2. Step 2: Convert to fraction form
    2,220.67/3,331.31 = 1,759.31/x
  3. Step 3: Cross multiply
    2,220.67x = 3,331.31 × 1,759.31
  4. Step 4: Simplify right side
    2,220.67x = 5,860,807.00
  5. Step 5: Solve for x
    x = 5,860,807.00/2,220.67
  6. Step 6: Final answer
    x = 2,639.21

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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.