Home / 2,984.06-4,118.37-1,935.74

Finding the Fourth Proportional to 2,984.06, 4,118.37 and 1,935.74

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Solution

The fourth proportional to 2,984.06, 4,118.37 and 1,935.74 is: 2,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.06 : 4,118.37 = 1,935.74 : x
  2. Step 2: Convert to fraction form
    2,984.06/4,118.37 = 1,935.74/x
  3. Step 3: Cross multiply
    2,984.06x = 4,118.37 × 1,935.74
  4. Step 4: Simplify right side
    2,984.06x = 7,972,093.54
  5. Step 5: Solve for x
    x = 7,972,093.54/2,984.06
  6. Step 6: Final answer
    x = 2,671.56

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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.