Home / 2,828.06-3,901.77-1,708.57

Finding the Fourth Proportional to 2,828.06, 3,901.77 and 1,708.57

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Solution

The fourth proportional to 2,828.06, 3,901.77 and 1,708.57 is: 2,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.06 : 3,901.77 = 1,708.57 : x
  2. Step 2: Convert to fraction form
    2,828.06/3,901.77 = 1,708.57/x
  3. Step 3: Cross multiply
    2,828.06x = 3,901.77 × 1,708.57
  4. Step 4: Simplify right side
    2,828.06x = 6,666,427.66
  5. Step 5: Solve for x
    x = 6,666,427.66/2,828.06
  6. Step 6: Final answer
    x = 2,357.25

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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.