Home / 2,836.68-3,914.36-2,627.70

Finding the Fourth Proportional to 2,836.68, 3,914.36 and 2,627.70

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Solution

The fourth proportional to 2,836.68, 3,914.36 and 2,627.70 is: 3,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.68 : 3,914.36 = 2,627.70 : x
  2. Step 2: Convert to fraction form
    2,836.68/3,914.36 = 2,627.70/x
  3. Step 3: Cross multiply
    2,836.68x = 3,914.36 × 2,627.70
  4. Step 4: Simplify right side
    2,836.68x = 10,285,750.63
  5. Step 5: Solve for x
    x = 10,285,750.63/2,836.68
  6. Step 6: Final answer
    x = 3,625.98

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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.