Home / 2,728.77-4,093.16-1,267.13

Finding the Fourth Proportional to 2,728.77, 4,093.16 and 1,267.13

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Solution

The fourth proportional to 2,728.77, 4,093.16 and 1,267.13 is: 1,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.77 : 4,093.16 = 1,267.13 : x
  2. Step 2: Convert to fraction form
    2,728.77/4,093.16 = 1,267.13/x
  3. Step 3: Cross multiply
    2,728.77x = 4,093.16 × 1,267.13
  4. Step 4: Simplify right side
    2,728.77x = 5,186,539.03
  5. Step 5: Solve for x
    x = 5,186,539.03/2,728.77
  6. Step 6: Final answer
    x = 1,900.69

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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.