Home / 2,487.85-3,431.66-1,849.22

Finding the Fourth Proportional to 2,487.85, 3,431.66 and 1,849.22

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Solution

The fourth proportional to 2,487.85, 3,431.66 and 1,849.22 is: 2,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.85 : 3,431.66 = 1,849.22 : x
  2. Step 2: Convert to fraction form
    2,487.85/3,431.66 = 1,849.22/x
  3. Step 3: Cross multiply
    2,487.85x = 3,431.66 × 1,849.22
  4. Step 4: Simplify right side
    2,487.85x = 6,345,877.15
  5. Step 5: Solve for x
    x = 6,345,877.15/2,487.85
  6. Step 6: Final answer
    x = 2,550.75

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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.