Home / 2,731.39-4,093.88-1,267.46

Finding the Fourth Proportional to 2,731.39, 4,093.88 and 1,267.46

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Solution

The fourth proportional to 2,731.39, 4,093.88 and 1,267.46 is: 1,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.39 : 4,093.88 = 1,267.46 : x
  2. Step 2: Convert to fraction form
    2,731.39/4,093.88 = 1,267.46/x
  3. Step 3: Cross multiply
    2,731.39x = 4,093.88 × 1,267.46
  4. Step 4: Simplify right side
    2,731.39x = 5,188,829.14
  5. Step 5: Solve for x
    x = 5,188,829.14/2,731.39
  6. Step 6: Final answer
    x = 1,899.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.