Home / 1,131.96-1,696.44-1,103.34

Finding the Fourth Proportional to 1,131.96, 1,696.44 and 1,103.34

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Solution

The fourth proportional to 1,131.96, 1,696.44 and 1,103.34 is: 1,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.96 : 1,696.44 = 1,103.34 : x
  2. Step 2: Convert to fraction form
    1,131.96/1,696.44 = 1,103.34/x
  3. Step 3: Cross multiply
    1,131.96x = 1,696.44 × 1,103.34
  4. Step 4: Simplify right side
    1,131.96x = 1,871,750.11
  5. Step 5: Solve for x
    x = 1,871,750.11/1,131.96
  6. Step 6: Final answer
    x = 1,653.55

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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.