Home / 2,858.63-4,289.87-2,198.08

Finding the Fourth Proportional to 2,858.63, 4,289.87 and 2,198.08

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Solution

The fourth proportional to 2,858.63, 4,289.87 and 2,198.08 is: 3,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.63 : 4,289.87 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    2,858.63/4,289.87 = 2,198.08/x
  3. Step 3: Cross multiply
    2,858.63x = 4,289.87 × 2,198.08
  4. Step 4: Simplify right side
    2,858.63x = 9,429,472.22
  5. Step 5: Solve for x
    x = 9,429,472.22/2,858.63
  6. Step 6: Final answer
    x = 3,298.60

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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.