Home / 2,220.30-3,324.60-1,779.48

Finding the Fourth Proportional to 2,220.30, 3,324.60 and 1,779.48

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Solution

The fourth proportional to 2,220.30, 3,324.60 and 1,779.48 is: 2,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.30 : 3,324.60 = 1,779.48 : x
  2. Step 2: Convert to fraction form
    2,220.30/3,324.60 = 1,779.48/x
  3. Step 3: Cross multiply
    2,220.30x = 3,324.60 × 1,779.48
  4. Step 4: Simplify right side
    2,220.30x = 5,916,059.21
  5. Step 5: Solve for x
    x = 5,916,059.21/2,220.30
  6. Step 6: Final answer
    x = 2,664.53

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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.