Home / 1,739.07-2,399.63-1,149.39

Finding the Fourth Proportional to 1,739.07, 2,399.63 and 1,149.39

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Solution

The fourth proportional to 1,739.07, 2,399.63 and 1,149.39 is: 1,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.07 : 2,399.63 = 1,149.39 : x
  2. Step 2: Convert to fraction form
    1,739.07/2,399.63 = 1,149.39/x
  3. Step 3: Cross multiply
    1,739.07x = 2,399.63 × 1,149.39
  4. Step 4: Simplify right side
    1,739.07x = 2,758,104.98
  5. Step 5: Solve for x
    x = 2,758,104.98/1,739.07
  6. Step 6: Final answer
    x = 1,585.97

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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.