Home / 2,004.02-3,005.55-543.28

Finding the Fourth Proportional to 2,004.02, 3,005.55 and 543.28

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Solution

The fourth proportional to 2,004.02, 3,005.55 and 543.28 is: 814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.02 : 3,005.55 = 543.28 : x
  2. Step 2: Convert to fraction form
    2,004.02/3,005.55 = 543.28/x
  3. Step 3: Cross multiply
    2,004.02x = 3,005.55 × 543.28
  4. Step 4: Simplify right side
    2,004.02x = 1,632,855.20
  5. Step 5: Solve for x
    x = 1,632,855.20/2,004.02
  6. Step 6: Final answer
    x = 814.79

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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.