Home / 1,188.22-1,769.30-1,175.16

Finding the Fourth Proportional to 1,188.22, 1,769.30 and 1,175.16

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Solution

The fourth proportional to 1,188.22, 1,769.30 and 1,175.16 is: 1,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188.22 : 1,769.30 = 1,175.16 : x
  2. Step 2: Convert to fraction form
    1,188.22/1,769.30 = 1,175.16/x
  3. Step 3: Cross multiply
    1,188.22x = 1,769.30 × 1,175.16
  4. Step 4: Simplify right side
    1,188.22x = 2,079,210.59
  5. Step 5: Solve for x
    x = 2,079,210.59/1,188.22
  6. Step 6: Final answer
    x = 1,749.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.