Home / 3,180.06-4,771.41-1,947.51

Finding the Fourth Proportional to 3,180.06, 4,771.41 and 1,947.51

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Solution

The fourth proportional to 3,180.06, 4,771.41 and 1,947.51 is: 2,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.06 : 4,771.41 = 1,947.51 : x
  2. Step 2: Convert to fraction form
    3,180.06/4,771.41 = 1,947.51/x
  3. Step 3: Cross multiply
    3,180.06x = 4,771.41 × 1,947.51
  4. Step 4: Simplify right side
    3,180.06x = 9,292,368.69
  5. Step 5: Solve for x
    x = 9,292,368.69/3,180.06
  6. Step 6: Final answer
    x = 2,922.07

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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.