Home / 2,551.86-3,821.76-1,673.82

Finding the Fourth Proportional to 2,551.86, 3,821.76 and 1,673.82

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Solution

The fourth proportional to 2,551.86, 3,821.76 and 1,673.82 is: 2,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.86 : 3,821.76 = 1,673.82 : x
  2. Step 2: Convert to fraction form
    2,551.86/3,821.76 = 1,673.82/x
  3. Step 3: Cross multiply
    2,551.86x = 3,821.76 × 1,673.82
  4. Step 4: Simplify right side
    2,551.86x = 6,396,938.32
  5. Step 5: Solve for x
    x = 6,396,938.32/2,551.86
  6. Step 6: Final answer
    x = 2,506.77

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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.