Home / 2,319.39-3,481.65-1,223.46

Finding the Fourth Proportional to 2,319.39, 3,481.65 and 1,223.46

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Solution

The fourth proportional to 2,319.39, 3,481.65 and 1,223.46 is: 1,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.39 : 3,481.65 = 1,223.46 : x
  2. Step 2: Convert to fraction form
    2,319.39/3,481.65 = 1,223.46/x
  3. Step 3: Cross multiply
    2,319.39x = 3,481.65 × 1,223.46
  4. Step 4: Simplify right side
    2,319.39x = 4,259,659.51
  5. Step 5: Solve for x
    x = 4,259,659.51/2,319.39
  6. Step 6: Final answer
    x = 1,836.54

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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.