Home / 2,708.39-4,064.40-1,759.46

Finding the Fourth Proportional to 2,708.39, 4,064.40 and 1,759.46

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Solution

The fourth proportional to 2,708.39, 4,064.40 and 1,759.46 is: 2,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.39 : 4,064.40 = 1,759.46 : x
  2. Step 2: Convert to fraction form
    2,708.39/4,064.40 = 1,759.46/x
  3. Step 3: Cross multiply
    2,708.39x = 4,064.40 × 1,759.46
  4. Step 4: Simplify right side
    2,708.39x = 7,151,149.22
  5. Step 5: Solve for x
    x = 7,151,149.22/2,708.39
  6. Step 6: Final answer
    x = 2,640.37

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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.