Home / 1,874.00-2,586.43-1,212.79

Finding the Fourth Proportional to 1,874.00, 2,586.43 and 1,212.79

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Solution

The fourth proportional to 1,874.00, 2,586.43 and 1,212.79 is: 1,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.00 : 2,586.43 = 1,212.79 : x
  2. Step 2: Convert to fraction form
    1,874.00/2,586.43 = 1,212.79/x
  3. Step 3: Cross multiply
    1,874.00x = 2,586.43 × 1,212.79
  4. Step 4: Simplify right side
    1,874.00x = 3,136,796.34
  5. Step 5: Solve for x
    x = 3,136,796.34/1,874.00
  6. Step 6: Final answer
    x = 1,673.85

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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.