Home / 2,029.30-3,042.60-730.60

Finding the Fourth Proportional to 2,029.30, 3,042.60 and 730.60

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Solution

The fourth proportional to 2,029.30, 3,042.60 and 730.60 is: 1,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.30 : 3,042.60 = 730.60 : x
  2. Step 2: Convert to fraction form
    2,029.30/3,042.60 = 730.60/x
  3. Step 3: Cross multiply
    2,029.30x = 3,042.60 × 730.60
  4. Step 4: Simplify right side
    2,029.30x = 2,222,923.56
  5. Step 5: Solve for x
    x = 2,222,923.56/2,029.30
  6. Step 6: Final answer
    x = 1,095.41

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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.