Home / 1,739.88-2,614.68-1,331.64

Finding the Fourth Proportional to 1,739.88, 2,614.68 and 1,331.64

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Solution

The fourth proportional to 1,739.88, 2,614.68 and 1,331.64 is: 2,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.88 : 2,614.68 = 1,331.64 : x
  2. Step 2: Convert to fraction form
    1,739.88/2,614.68 = 1,331.64/x
  3. Step 3: Cross multiply
    1,739.88x = 2,614.68 × 1,331.64
  4. Step 4: Simplify right side
    1,739.88x = 3,481,812.48
  5. Step 5: Solve for x
    x = 3,481,812.48/1,739.88
  6. Step 6: Final answer
    x = 2,001.18

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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.