Home / 1,168.25-1,754.19-1,116.30

Finding the Fourth Proportional to 1,168.25, 1,754.19 and 1,116.30

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Solution

The fourth proportional to 1,168.25, 1,754.19 and 1,116.30 is: 1,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.25 : 1,754.19 = 1,116.30 : x
  2. Step 2: Convert to fraction form
    1,168.25/1,754.19 = 1,116.30/x
  3. Step 3: Cross multiply
    1,168.25x = 1,754.19 × 1,116.30
  4. Step 4: Simplify right side
    1,168.25x = 1,958,208.88
  5. Step 5: Solve for x
    x = 1,958,208.88/1,168.25
  6. Step 6: Final answer
    x = 1,676.20

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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.