Home / 1,837.82-2,537.09-1,438.77

Finding the Fourth Proportional to 1,837.82, 2,537.09 and 1,438.77

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Solution

The fourth proportional to 1,837.82, 2,537.09 and 1,438.77 is: 1,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.82 : 2,537.09 = 1,438.77 : x
  2. Step 2: Convert to fraction form
    1,837.82/2,537.09 = 1,438.77/x
  3. Step 3: Cross multiply
    1,837.82x = 2,537.09 × 1,438.77
  4. Step 4: Simplify right side
    1,837.82x = 3,650,281.79
  5. Step 5: Solve for x
    x = 3,650,281.79/1,837.82
  6. Step 6: Final answer
    x = 1,986.21

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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.