Home / 2,918.23-4,383.47-2,222.47

Finding the Fourth Proportional to 2,918.23, 4,383.47 and 2,222.47

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Solution

The fourth proportional to 2,918.23, 4,383.47 and 2,222.47 is: 3,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.23 : 4,383.47 = 2,222.47 : x
  2. Step 2: Convert to fraction form
    2,918.23/4,383.47 = 2,222.47/x
  3. Step 3: Cross multiply
    2,918.23x = 4,383.47 × 2,222.47
  4. Step 4: Simplify right side
    2,918.23x = 9,742,130.57
  5. Step 5: Solve for x
    x = 9,742,130.57/2,918.23
  6. Step 6: Final answer
    x = 3,338.37

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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.