Home / 3,551.73-5,327.60-1,909.05

Finding the Fourth Proportional to 3,551.73, 5,327.60 and 1,909.05

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Solution

The fourth proportional to 3,551.73, 5,327.60 and 1,909.05 is: 2,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.73 : 5,327.60 = 1,909.05 : x
  2. Step 2: Convert to fraction form
    3,551.73/5,327.60 = 1,909.05/x
  3. Step 3: Cross multiply
    3,551.73x = 5,327.60 × 1,909.05
  4. Step 4: Simplify right side
    3,551.73x = 10,170,645.23
  5. Step 5: Solve for x
    x = 10,170,645.23/3,551.73
  6. Step 6: Final answer
    x = 2,863.58

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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.