Home / 2,893.35-4,334.23-1,331.21

Finding the Fourth Proportional to 2,893.35, 4,334.23 and 1,331.21

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Solution

The fourth proportional to 2,893.35, 4,334.23 and 1,331.21 is: 1,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.35 : 4,334.23 = 1,331.21 : x
  2. Step 2: Convert to fraction form
    2,893.35/4,334.23 = 1,331.21/x
  3. Step 3: Cross multiply
    2,893.35x = 4,334.23 × 1,331.21
  4. Step 4: Simplify right side
    2,893.35x = 5,769,770.32
  5. Step 5: Solve for x
    x = 5,769,770.32/2,893.35
  6. Step 6: Final answer
    x = 1,994.15

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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.