Home / 2,728.30-4,096.55-1,637.54

Finding the Fourth Proportional to 2,728.30, 4,096.55 and 1,637.54

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Solution

The fourth proportional to 2,728.30, 4,096.55 and 1,637.54 is: 2,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.30 : 4,096.55 = 1,637.54 : x
  2. Step 2: Convert to fraction form
    2,728.30/4,096.55 = 1,637.54/x
  3. Step 3: Cross multiply
    2,728.30x = 4,096.55 × 1,637.54
  4. Step 4: Simplify right side
    2,728.30x = 6,708,256.30
  5. Step 5: Solve for x
    x = 6,708,256.30/2,728.30
  6. Step 6: Final answer
    x = 2,458.77

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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.