Home / 3,481.25-4,798.65-2,638.58

Finding the Fourth Proportional to 3,481.25, 4,798.65 and 2,638.58

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Solution

The fourth proportional to 3,481.25, 4,798.65 and 2,638.58 is: 3,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.25 : 4,798.65 = 2,638.58 : x
  2. Step 2: Convert to fraction form
    3,481.25/4,798.65 = 2,638.58/x
  3. Step 3: Cross multiply
    3,481.25x = 4,798.65 × 2,638.58
  4. Step 4: Simplify right side
    3,481.25x = 12,661,597.92
  5. Step 5: Solve for x
    x = 12,661,597.92/3,481.25
  6. Step 6: Final answer
    x = 3,637.09

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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.