Home / 1,839.08-2,537.98-999.82

Finding the Fourth Proportional to 1,839.08, 2,537.98 and 999.82

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Solution

The fourth proportional to 1,839.08, 2,537.98 and 999.82 is: 1,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.08 : 2,537.98 = 999.82 : x
  2. Step 2: Convert to fraction form
    1,839.08/2,537.98 = 999.82/x
  3. Step 3: Cross multiply
    1,839.08x = 2,537.98 × 999.82
  4. Step 4: Simplify right side
    1,839.08x = 2,537,523.16
  5. Step 5: Solve for x
    x = 2,537,523.16/1,839.08
  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.