Home / 2,829.24-4,243.11-2,005.08

Finding the Fourth Proportional to 2,829.24, 4,243.11 and 2,005.08

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Solution

The fourth proportional to 2,829.24, 4,243.11 and 2,005.08 is: 3,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.24 : 4,243.11 = 2,005.08 : x
  2. Step 2: Convert to fraction form
    2,829.24/4,243.11 = 2,005.08/x
  3. Step 3: Cross multiply
    2,829.24x = 4,243.11 × 2,005.08
  4. Step 4: Simplify right side
    2,829.24x = 8,507,775.00
  5. Step 5: Solve for x
    x = 8,507,775.00/2,829.24
  6. Step 6: Final answer
    x = 3,007.09

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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.