Home / 1,161.37-1,603.31-895.23

Finding the Fourth Proportional to 1,161.37, 1,603.31 and 895.23

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Solution

The fourth proportional to 1,161.37, 1,603.31 and 895.23 is: 1,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.37 : 1,603.31 = 895.23 : x
  2. Step 2: Convert to fraction form
    1,161.37/1,603.31 = 895.23/x
  3. Step 3: Cross multiply
    1,161.37x = 1,603.31 × 895.23
  4. Step 4: Simplify right side
    1,161.37x = 1,435,333.45
  5. Step 5: Solve for x
    x = 1,435,333.45/1,161.37
  6. Step 6: Final answer
    x = 1,235.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.