Home / 2,480.84-3,716.58-1,930.36

Finding the Fourth Proportional to 2,480.84, 3,716.58 and 1,930.36

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Solution

The fourth proportional to 2,480.84, 3,716.58 and 1,930.36 is: 2,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.84 : 3,716.58 = 1,930.36 : x
  2. Step 2: Convert to fraction form
    2,480.84/3,716.58 = 1,930.36/x
  3. Step 3: Cross multiply
    2,480.84x = 3,716.58 × 1,930.36
  4. Step 4: Simplify right side
    2,480.84x = 7,174,337.37
  5. Step 5: Solve for x
    x = 7,174,337.37/2,480.84
  6. Step 6: Final answer
    x = 2,891.90

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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.