Home / 1,105.70-1,534.14-1,096.28

Finding the Fourth Proportional to 1,105.70, 1,534.14 and 1,096.28

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Solution

The fourth proportional to 1,105.70, 1,534.14 and 1,096.28 is: 1,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.70 : 1,534.14 = 1,096.28 : x
  2. Step 2: Convert to fraction form
    1,105.70/1,534.14 = 1,096.28/x
  3. Step 3: Cross multiply
    1,105.70x = 1,534.14 × 1,096.28
  4. Step 4: Simplify right side
    1,105.70x = 1,681,841.52
  5. Step 5: Solve for x
    x = 1,681,841.52/1,105.70
  6. Step 6: Final answer
    x = 1,521.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.