Home / 2,314.54-3,190.84-1,959.05

Finding the Fourth Proportional to 2,314.54, 3,190.84 and 1,959.05

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Solution

The fourth proportional to 2,314.54, 3,190.84 and 1,959.05 is: 2,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.54 : 3,190.84 = 1,959.05 : x
  2. Step 2: Convert to fraction form
    2,314.54/3,190.84 = 1,959.05/x
  3. Step 3: Cross multiply
    2,314.54x = 3,190.84 × 1,959.05
  4. Step 4: Simplify right side
    2,314.54x = 6,251,029.20
  5. Step 5: Solve for x
    x = 6,251,029.20/2,314.54
  6. Step 6: Final answer
    x = 2,700.76

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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.