Home / 1,708.14-2,357.26-999.83

Finding the Fourth Proportional to 1,708.14, 2,357.26 and 999.83

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Solution

The fourth proportional to 1,708.14, 2,357.26 and 999.83 is: 1,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.14 : 2,357.26 = 999.83 : x
  2. Step 2: Convert to fraction form
    1,708.14/2,357.26 = 999.83/x
  3. Step 3: Cross multiply
    1,708.14x = 2,357.26 × 999.83
  4. Step 4: Simplify right side
    1,708.14x = 2,356,862.66
  5. Step 5: Solve for x
    x = 2,356,862.66/1,708.14
  6. Step 6: Final answer
    x = 1,379.78

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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.