Home / 1,099.28-1,503.56-1,082.27

Finding the Fourth Proportional to 1,099.28, 1,503.56 and 1,082.27

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Solution

The fourth proportional to 1,099.28, 1,503.56 and 1,082.27 is: 1,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099.28 : 1,503.56 = 1,082.27 : x
  2. Step 2: Convert to fraction form
    1,099.28/1,503.56 = 1,082.27/x
  3. Step 3: Cross multiply
    1,099.28x = 1,503.56 × 1,082.27
  4. Step 4: Simplify right side
    1,099.28x = 1,627,244.95
  5. Step 5: Solve for x
    x = 1,627,244.95/1,099.28
  6. Step 6: Final answer
    x = 1,480.29

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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.