Home / 3,029.69-4,179.56-1,967.38

Finding the Fourth Proportional to 3,029.69, 4,179.56 and 1,967.38

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Solution

The fourth proportional to 3,029.69, 4,179.56 and 1,967.38 is: 2,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.69 : 4,179.56 = 1,967.38 : x
  2. Step 2: Convert to fraction form
    3,029.69/4,179.56 = 1,967.38/x
  3. Step 3: Cross multiply
    3,029.69x = 4,179.56 × 1,967.38
  4. Step 4: Simplify right side
    3,029.69x = 8,222,782.75
  5. Step 5: Solve for x
    x = 8,222,782.75/3,029.69
  6. Step 6: Final answer
    x = 2,714.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.