Home / 1,996.93-2,755.54-1,157.46

Finding the Fourth Proportional to 1,996.93, 2,755.54 and 1,157.46

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Solution

The fourth proportional to 1,996.93, 2,755.54 and 1,157.46 is: 1,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.93 : 2,755.54 = 1,157.46 : x
  2. Step 2: Convert to fraction form
    1,996.93/2,755.54 = 1,157.46/x
  3. Step 3: Cross multiply
    1,996.93x = 2,755.54 × 1,157.46
  4. Step 4: Simplify right side
    1,996.93x = 3,189,444.95
  5. Step 5: Solve for x
    x = 3,189,444.95/1,996.93
  6. Step 6: Final answer
    x = 1,597.18

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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.