Home / 1,996.56-2,755.23-1,157.53

Finding the Fourth Proportional to 1,996.56, 2,755.23 and 1,157.53

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Solution

The fourth proportional to 1,996.56, 2,755.23 and 1,157.53 is: 1,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.56 : 2,755.23 = 1,157.53 : x
  2. Step 2: Convert to fraction form
    1,996.56/2,755.23 = 1,157.53/x
  3. Step 3: Cross multiply
    1,996.56x = 2,755.23 × 1,157.53
  4. Step 4: Simplify right side
    1,996.56x = 3,189,261.38
  5. Step 5: Solve for x
    x = 3,189,261.38/1,996.56
  6. Step 6: Final answer
    x = 1,597.38

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1.5x scale

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.