Home / 1,720.28-2,577.01-794.56

Finding the Fourth Proportional to 1,720.28, 2,577.01 and 794.56

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Solution

The fourth proportional to 1,720.28, 2,577.01 and 794.56 is: 1,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.28 : 2,577.01 = 794.56 : x
  2. Step 2: Convert to fraction form
    1,720.28/2,577.01 = 794.56/x
  3. Step 3: Cross multiply
    1,720.28x = 2,577.01 × 794.56
  4. Step 4: Simplify right side
    1,720.28x = 2,047,589.07
  5. Step 5: Solve for x
    x = 2,047,589.07/1,720.28
  6. Step 6: Final answer
    x = 1,190.26

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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.