Home / 1,155.27-1,730.66-1,096.23

Finding the Fourth Proportional to 1,155.27, 1,730.66 and 1,096.23

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Solution

The fourth proportional to 1,155.27, 1,730.66 and 1,096.23 is: 1,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.27 : 1,730.66 = 1,096.23 : x
  2. Step 2: Convert to fraction form
    1,155.27/1,730.66 = 1,096.23/x
  3. Step 3: Cross multiply
    1,155.27x = 1,730.66 × 1,096.23
  4. Step 4: Simplify right side
    1,155.27x = 1,897,195.93
  5. Step 5: Solve for x
    x = 1,897,195.93/1,155.27
  6. Step 6: Final answer
    x = 1,642.21

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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.