Home / 1,673.21-2,310.11-1,075.97

Finding the Fourth Proportional to 1,673.21, 2,310.11 and 1,075.97

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Solution

The fourth proportional to 1,673.21, 2,310.11 and 1,075.97 is: 1,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.21 : 2,310.11 = 1,075.97 : x
  2. Step 2: Convert to fraction form
    1,673.21/2,310.11 = 1,075.97/x
  3. Step 3: Cross multiply
    1,673.21x = 2,310.11 × 1,075.97
  4. Step 4: Simplify right side
    1,673.21x = 2,485,617.52
  5. Step 5: Solve for x
    x = 2,485,617.52/1,673.21
  6. Step 6: Final answer
    x = 1,485.54

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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.