Home / 3,072.88-4,610.37-1,317.81

Finding the Fourth Proportional to 3,072.88, 4,610.37 and 1,317.81

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Solution

The fourth proportional to 3,072.88, 4,610.37 and 1,317.81 is: 1,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.88 : 4,610.37 = 1,317.81 : x
  2. Step 2: Convert to fraction form
    3,072.88/4,610.37 = 1,317.81/x
  3. Step 3: Cross multiply
    3,072.88x = 4,610.37 × 1,317.81
  4. Step 4: Simplify right side
    3,072.88x = 6,075,591.69
  5. Step 5: Solve for x
    x = 6,075,591.69/3,072.88
  6. Step 6: Final answer
    x = 1,977.17

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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.