Home / 1,190.00-1,633.41-1,139.27

Finding the Fourth Proportional to 1,190.00, 1,633.41 and 1,139.27

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Solution

The fourth proportional to 1,190.00, 1,633.41 and 1,139.27 is: 1,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.00 : 1,633.41 = 1,139.27 : x
  2. Step 2: Convert to fraction form
    1,190.00/1,633.41 = 1,139.27/x
  3. Step 3: Cross multiply
    1,190.00x = 1,633.41 × 1,139.27
  4. Step 4: Simplify right side
    1,190.00x = 1,860,886.84
  5. Step 5: Solve for x
    x = 1,860,886.84/1,190.00
  6. Step 6: Final answer
    x = 1,563.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.