Home / 2,314.56-3,194.06-1,319.84

Finding the Fourth Proportional to 2,314.56, 3,194.06 and 1,319.84

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Solution

The fourth proportional to 2,314.56, 3,194.06 and 1,319.84 is: 1,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.56 : 3,194.06 = 1,319.84 : x
  2. Step 2: Convert to fraction form
    2,314.56/3,194.06 = 1,319.84/x
  3. Step 3: Cross multiply
    2,314.56x = 3,194.06 × 1,319.84
  4. Step 4: Simplify right side
    2,314.56x = 4,215,625.58
  5. Step 5: Solve for x
    x = 4,215,625.58/2,314.56
  6. Step 6: Final answer
    x = 1,821.35

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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.