Home / 3,977.33-5,488.80-2,298.79

Finding the Fourth Proportional to 3,977.33, 5,488.80 and 2,298.79

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Solution

The fourth proportional to 3,977.33, 5,488.80 and 2,298.79 is: 3,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.33 : 5,488.80 = 2,298.79 : x
  2. Step 2: Convert to fraction form
    3,977.33/5,488.80 = 2,298.79/x
  3. Step 3: Cross multiply
    3,977.33x = 5,488.80 × 2,298.79
  4. Step 4: Simplify right side
    3,977.33x = 12,617,571.11
  5. Step 5: Solve for x
    x = 12,617,571.11/3,977.33
  6. Step 6: Final answer
    x = 3,172.37

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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.