Home / 1,157.44-1,734.22-1,112.48

Finding the Fourth Proportional to 1,157.44, 1,734.22 and 1,112.48

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Solution

The fourth proportional to 1,157.44, 1,734.22 and 1,112.48 is: 1,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.44 : 1,734.22 = 1,112.48 : x
  2. Step 2: Convert to fraction form
    1,157.44/1,734.22 = 1,112.48/x
  3. Step 3: Cross multiply
    1,157.44x = 1,734.22 × 1,112.48
  4. Step 4: Simplify right side
    1,157.44x = 1,929,285.07
  5. Step 5: Solve for x
    x = 1,929,285.07/1,157.44
  6. Step 6: Final answer
    x = 1,666.86

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1.5x scale

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.