Home / 2,314.35-3,194.04-1,319.81

Finding the Fourth Proportional to 2,314.35, 3,194.04 and 1,319.81

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Solution

The fourth proportional to 2,314.35, 3,194.04 and 1,319.81 is: 1,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.35 : 3,194.04 = 1,319.81 : x
  2. Step 2: Convert to fraction form
    2,314.35/3,194.04 = 1,319.81/x
  3. Step 3: Cross multiply
    2,314.35x = 3,194.04 × 1,319.81
  4. Step 4: Simplify right side
    2,314.35x = 4,215,525.93
  5. Step 5: Solve for x
    x = 4,215,525.93/2,314.35
  6. Step 6: Final answer
    x = 1,821.47

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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.