Home / 2,818.36-4,228.44-1,357.60

Finding the Fourth Proportional to 2,818.36, 4,228.44 and 1,357.60

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Solution

The fourth proportional to 2,818.36, 4,228.44 and 1,357.60 is: 2,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.36 : 4,228.44 = 1,357.60 : x
  2. Step 2: Convert to fraction form
    2,818.36/4,228.44 = 1,357.60/x
  3. Step 3: Cross multiply
    2,818.36x = 4,228.44 × 1,357.60
  4. Step 4: Simplify right side
    2,818.36x = 5,740,530.14
  5. Step 5: Solve for x
    x = 5,740,530.14/2,818.36
  6. Step 6: Final answer
    x = 2,036.83

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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.