Home / 2,027.04-3,038.73-728.20

Finding the Fourth Proportional to 2,027.04, 3,038.73 and 728.20

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Solution

The fourth proportional to 2,027.04, 3,038.73 and 728.20 is: 1,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.04 : 3,038.73 = 728.20 : x
  2. Step 2: Convert to fraction form
    2,027.04/3,038.73 = 728.20/x
  3. Step 3: Cross multiply
    2,027.04x = 3,038.73 × 728.20
  4. Step 4: Simplify right side
    2,027.04x = 2,212,804.25
  5. Step 5: Solve for x
    x = 2,212,804.25/2,027.04
  6. Step 6: Final answer
    x = 1,091.65

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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.