Home / 2,314.22-3,193.38-1,319.42

Finding the Fourth Proportional to 2,314.22, 3,193.38 and 1,319.42

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Solution

The fourth proportional to 2,314.22, 3,193.38 and 1,319.42 is: 1,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.22 : 3,193.38 = 1,319.42 : x
  2. Step 2: Convert to fraction form
    2,314.22/3,193.38 = 1,319.42/x
  3. Step 3: Cross multiply
    2,314.22x = 3,193.38 × 1,319.42
  4. Step 4: Simplify right side
    2,314.22x = 4,213,409.44
  5. Step 5: Solve for x
    x = 4,213,409.44/2,314.22
  6. Step 6: Final answer
    x = 1,820.66

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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.