Home / 1,729.50-2,608.77-1,628.46

Finding the Fourth Proportional to 1,729.50, 2,608.77 and 1,628.46

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Solution

The fourth proportional to 1,729.50, 2,608.77 and 1,628.46 is: 2,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.50 : 2,608.77 = 1,628.46 : x
  2. Step 2: Convert to fraction form
    1,729.50/2,608.77 = 1,628.46/x
  3. Step 3: Cross multiply
    1,729.50x = 2,608.77 × 1,628.46
  4. Step 4: Simplify right side
    1,729.50x = 4,248,277.59
  5. Step 5: Solve for x
    x = 4,248,277.59/1,729.50
  6. Step 6: Final answer
    x = 2,456.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.