Home / 1,849.34-2,773.06-1,638.80

Finding the Fourth Proportional to 1,849.34, 2,773.06 and 1,638.80

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Solution

The fourth proportional to 1,849.34, 2,773.06 and 1,638.80 is: 2,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.34 : 2,773.06 = 1,638.80 : x
  2. Step 2: Convert to fraction form
    1,849.34/2,773.06 = 1,638.80/x
  3. Step 3: Cross multiply
    1,849.34x = 2,773.06 × 1,638.80
  4. Step 4: Simplify right side
    1,849.34x = 4,544,490.73
  5. Step 5: Solve for x
    x = 4,544,490.73/1,849.34
  6. Step 6: Final answer
    x = 2,457.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.