Home / 2,727.07-4,091.20-1,557.63

Finding the Fourth Proportional to 2,727.07, 4,091.20 and 1,557.63

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Solution

The fourth proportional to 2,727.07, 4,091.20 and 1,557.63 is: 2,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.07 : 4,091.20 = 1,557.63 : x
  2. Step 2: Convert to fraction form
    2,727.07/4,091.20 = 1,557.63/x
  3. Step 3: Cross multiply
    2,727.07x = 4,091.20 × 1,557.63
  4. Step 4: Simplify right side
    2,727.07x = 6,372,571.96
  5. Step 5: Solve for x
    x = 6,372,571.96/2,727.07
  6. Step 6: Final answer
    x = 2,336.79

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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.