Home / 1,697.24-2,546.63-1,080.79

Finding the Fourth Proportional to 1,697.24, 2,546.63 and 1,080.79

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Solution

The fourth proportional to 1,697.24, 2,546.63 and 1,080.79 is: 1,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.24 : 2,546.63 = 1,080.79 : x
  2. Step 2: Convert to fraction form
    1,697.24/2,546.63 = 1,080.79/x
  3. Step 3: Cross multiply
    1,697.24x = 2,546.63 × 1,080.79
  4. Step 4: Simplify right side
    1,697.24x = 2,752,372.24
  5. Step 5: Solve for x
    x = 2,752,372.24/1,697.24
  6. Step 6: Final answer
    x = 1,621.68

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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.