Home / 2,314.56-3,193.88-1,319.60

Finding the Fourth Proportional to 2,314.56, 3,193.88 and 1,319.60

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Solution

The fourth proportional to 2,314.56, 3,193.88 and 1,319.60 is: 1,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.56 : 3,193.88 = 1,319.60 : x
  2. Step 2: Convert to fraction form
    2,314.56/3,193.88 = 1,319.60/x
  3. Step 3: Cross multiply
    2,314.56x = 3,193.88 × 1,319.60
  4. Step 4: Simplify right side
    2,314.56x = 4,214,644.05
  5. Step 5: Solve for x
    x = 4,214,644.05/2,314.56
  6. Step 6: Final answer
    x = 1,820.93

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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.