Home / 2,728.00-4,089.52-1,895.45

Finding the Fourth Proportional to 2,728.00, 4,089.52 and 1,895.45

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Solution

The fourth proportional to 2,728.00, 4,089.52 and 1,895.45 is: 2,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.00 : 4,089.52 = 1,895.45 : x
  2. Step 2: Convert to fraction form
    2,728.00/4,089.52 = 1,895.45/x
  3. Step 3: Cross multiply
    2,728.00x = 4,089.52 × 1,895.45
  4. Step 4: Simplify right side
    2,728.00x = 7,751,485.61
  5. Step 5: Solve for x
    x = 7,751,485.61/2,728.00
  6. Step 6: Final answer
    x = 2,841.45

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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.