Home / 1,739.07-2,608.38-440.46

Finding the Fourth Proportional to 1,739.07, 2,608.38 and 440.46

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Solution

The fourth proportional to 1,739.07, 2,608.38 and 440.46 is: 660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.07 : 2,608.38 = 440.46 : x
  2. Step 2: Convert to fraction form
    1,739.07/2,608.38 = 440.46/x
  3. Step 3: Cross multiply
    1,739.07x = 2,608.38 × 440.46
  4. Step 4: Simplify right side
    1,739.07x = 1,148,887.05
  5. Step 5: Solve for x
    x = 1,148,887.05/1,739.07
  6. Step 6: Final answer
    x = 660.63

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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.