Home / 1,835.39-2,519.57-1,687.77

Finding the Fourth Proportional to 1,835.39, 2,519.57 and 1,687.77

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Solution

The fourth proportional to 1,835.39, 2,519.57 and 1,687.77 is: 2,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.39 : 2,519.57 = 1,687.77 : x
  2. Step 2: Convert to fraction form
    1,835.39/2,519.57 = 1,687.77/x
  3. Step 3: Cross multiply
    1,835.39x = 2,519.57 × 1,687.77
  4. Step 4: Simplify right side
    1,835.39x = 4,252,458.88
  5. Step 5: Solve for x
    x = 4,252,458.88/1,835.39
  6. Step 6: Final answer
    x = 2,316.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.