Home / 1,735.75-2,395.34-1,115.83

Finding the Fourth Proportional to 1,735.75, 2,395.34 and 1,115.83

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Solution

The fourth proportional to 1,735.75, 2,395.34 and 1,115.83 is: 1,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.75 : 2,395.34 = 1,115.83 : x
  2. Step 2: Convert to fraction form
    1,735.75/2,395.34 = 1,115.83/x
  3. Step 3: Cross multiply
    1,735.75x = 2,395.34 × 1,115.83
  4. Step 4: Simplify right side
    1,735.75x = 2,672,792.23
  5. Step 5: Solve for x
    x = 2,672,792.23/1,735.75
  6. Step 6: Final answer
    x = 1,539.85

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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.