Home / 1,153.44-1,716.39-1,113.75

Finding the Fourth Proportional to 1,153.44, 1,716.39 and 1,113.75

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Solution

The fourth proportional to 1,153.44, 1,716.39 and 1,113.75 is: 1,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.44 : 1,716.39 = 1,113.75 : x
  2. Step 2: Convert to fraction form
    1,153.44/1,716.39 = 1,113.75/x
  3. Step 3: Cross multiply
    1,153.44x = 1,716.39 × 1,113.75
  4. Step 4: Simplify right side
    1,153.44x = 1,911,629.36
  5. Step 5: Solve for x
    x = 1,911,629.36/1,153.44
  6. Step 6: Final answer
    x = 1,657.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.