Home / 2,049.60-3,076.80-2,035.20

Finding the Fourth Proportional to 2,049.60, 3,076.80 and 2,035.20

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Solution

The fourth proportional to 2,049.60, 3,076.80 and 2,035.20 is: 3,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.60 : 3,076.80 = 2,035.20 : x
  2. Step 2: Convert to fraction form
    2,049.60/3,076.80 = 2,035.20/x
  3. Step 3: Cross multiply
    2,049.60x = 3,076.80 × 2,035.20
  4. Step 4: Simplify right side
    2,049.60x = 6,261,903.36
  5. Step 5: Solve for x
    x = 6,261,903.36/2,049.60
  6. Step 6: Final answer
    x = 3,055.18

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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.