Home / 1,135.95-1,702.44-1,107.33

Finding the Fourth Proportional to 1,135.95, 1,702.44 and 1,107.33

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Solution

The fourth proportional to 1,135.95, 1,702.44 and 1,107.33 is: 1,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.95 : 1,702.44 = 1,107.33 : x
  2. Step 2: Convert to fraction form
    1,135.95/1,702.44 = 1,107.33/x
  3. Step 3: Cross multiply
    1,135.95x = 1,702.44 × 1,107.33
  4. Step 4: Simplify right side
    1,135.95x = 1,885,162.89
  5. Step 5: Solve for x
    x = 1,885,162.89/1,135.95
  6. Step 6: Final answer
    x = 1,659.55

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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.