Home / 1,720.00-2,579.99-1,170.82

Finding the Fourth Proportional to 1,720.00, 2,579.99 and 1,170.82

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Solution

The fourth proportional to 1,720.00, 2,579.99 and 1,170.82 is: 1,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.00 : 2,579.99 = 1,170.82 : x
  2. Step 2: Convert to fraction form
    1,720.00/2,579.99 = 1,170.82/x
  3. Step 3: Cross multiply
    1,720.00x = 2,579.99 × 1,170.82
  4. Step 4: Simplify right side
    1,720.00x = 3,020,685.14
  5. Step 5: Solve for x
    x = 3,020,685.14/1,720.00
  6. Step 6: Final answer
    x = 1,756.22

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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.