Home / 2,835.36-3,913.56-2,049.84

Finding the Fourth Proportional to 2,835.36, 3,913.56 and 2,049.84

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Solution

The fourth proportional to 2,835.36, 3,913.56 and 2,049.84 is: 2,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.36 : 3,913.56 = 2,049.84 : x
  2. Step 2: Convert to fraction form
    2,835.36/3,913.56 = 2,049.84/x
  3. Step 3: Cross multiply
    2,835.36x = 3,913.56 × 2,049.84
  4. Step 4: Simplify right side
    2,835.36x = 8,022,171.83
  5. Step 5: Solve for x
    x = 8,022,171.83/2,835.36
  6. Step 6: Final answer
    x = 2,829.33

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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.