Home / 2,727.90-3,764.99-1,608.77

Finding the Fourth Proportional to 2,727.90, 3,764.99 and 1,608.77

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Solution

The fourth proportional to 2,727.90, 3,764.99 and 1,608.77 is: 2,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.90 : 3,764.99 = 1,608.77 : x
  2. Step 2: Convert to fraction form
    2,727.90/3,764.99 = 1,608.77/x
  3. Step 3: Cross multiply
    2,727.90x = 3,764.99 × 1,608.77
  4. Step 4: Simplify right side
    2,727.90x = 6,057,016.40
  5. Step 5: Solve for x
    x = 6,057,016.40/2,727.90
  6. Step 6: Final answer
    x = 2,220.40

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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.