Home / 2,255.04-3,112.02-1,260.36

Finding the Fourth Proportional to 2,255.04, 3,112.02 and 1,260.36

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Solution

The fourth proportional to 2,255.04, 3,112.02 and 1,260.36 is: 1,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.04 : 3,112.02 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    2,255.04/3,112.02 = 1,260.36/x
  3. Step 3: Cross multiply
    2,255.04x = 3,112.02 × 1,260.36
  4. Step 4: Simplify right side
    2,255.04x = 3,922,243.67
  5. Step 5: Solve for x
    x = 3,922,243.67/2,255.04
  6. Step 6: Final answer
    x = 1,739.33

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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.