Home / 2,728.14-3,764.93-1,549.32

Finding the Fourth Proportional to 2,728.14, 3,764.93 and 1,549.32

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Solution

The fourth proportional to 2,728.14, 3,764.93 and 1,549.32 is: 2,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.14 : 3,764.93 = 1,549.32 : x
  2. Step 2: Convert to fraction form
    2,728.14/3,764.93 = 1,549.32/x
  3. Step 3: Cross multiply
    2,728.14x = 3,764.93 × 1,549.32
  4. Step 4: Simplify right side
    2,728.14x = 5,833,081.35
  5. Step 5: Solve for x
    x = 5,833,081.35/2,728.14
  6. Step 6: Final answer
    x = 2,138.12

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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.