Home / 3,289.73-4,539.86-1,873.34

Finding the Fourth Proportional to 3,289.73, 4,539.86 and 1,873.34

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Solution

The fourth proportional to 3,289.73, 4,539.86 and 1,873.34 is: 2,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.73 : 4,539.86 = 1,873.34 : x
  2. Step 2: Convert to fraction form
    3,289.73/4,539.86 = 1,873.34/x
  3. Step 3: Cross multiply
    3,289.73x = 4,539.86 × 1,873.34
  4. Step 4: Simplify right side
    3,289.73x = 8,504,701.33
  5. Step 5: Solve for x
    x = 8,504,701.33/3,289.73
  6. Step 6: Final answer
    x = 2,585.23

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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.