Home / 3,191.22-4,788.70-1,342.18

Finding the Fourth Proportional to 3,191.22, 4,788.70 and 1,342.18

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Solution

The fourth proportional to 3,191.22, 4,788.70 and 1,342.18 is: 2,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.22 : 4,788.70 = 1,342.18 : x
  2. Step 2: Convert to fraction form
    3,191.22/4,788.70 = 1,342.18/x
  3. Step 3: Cross multiply
    3,191.22x = 4,788.70 × 1,342.18
  4. Step 4: Simplify right side
    3,191.22x = 6,427,297.37
  5. Step 5: Solve for x
    x = 6,427,297.37/3,191.22
  6. Step 6: Final answer
    x = 2,014.06

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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.