Home / 2,959.58-4,085.44-2,018.48

Finding the Fourth Proportional to 2,959.58, 4,085.44 and 2,018.48

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Solution

The fourth proportional to 2,959.58, 4,085.44 and 2,018.48 is: 2,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.58 : 4,085.44 = 2,018.48 : x
  2. Step 2: Convert to fraction form
    2,959.58/4,085.44 = 2,018.48/x
  3. Step 3: Cross multiply
    2,959.58x = 4,085.44 × 2,018.48
  4. Step 4: Simplify right side
    2,959.58x = 8,246,378.93
  5. Step 5: Solve for x
    x = 8,246,378.93/2,959.58
  6. Step 6: Final answer
    x = 2,786.33

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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.