Home / 1,977.26-2,961.77-1,153.03

Finding the Fourth Proportional to 1,977.26, 2,961.77 and 1,153.03

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Solution

The fourth proportional to 1,977.26, 2,961.77 and 1,153.03 is: 1,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.26 : 2,961.77 = 1,153.03 : x
  2. Step 2: Convert to fraction form
    1,977.26/2,961.77 = 1,153.03/x
  3. Step 3: Cross multiply
    1,977.26x = 2,961.77 × 1,153.03
  4. Step 4: Simplify right side
    1,977.26x = 3,415,005.14
  5. Step 5: Solve for x
    x = 3,415,005.14/1,977.26
  6. Step 6: Final answer
    x = 1,727.14

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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.