Home / 3,810.89-5,253.99-2,747.77

Finding the Fourth Proportional to 3,810.89, 5,253.99 and 2,747.77

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Solution

The fourth proportional to 3,810.89, 5,253.99 and 2,747.77 is: 3,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.89 : 5,253.99 = 2,747.77 : x
  2. Step 2: Convert to fraction form
    3,810.89/5,253.99 = 2,747.77/x
  3. Step 3: Cross multiply
    3,810.89x = 5,253.99 × 2,747.77
  4. Step 4: Simplify right side
    3,810.89x = 14,436,756.10
  5. Step 5: Solve for x
    x = 14,436,756.10/3,810.89
  6. Step 6: Final answer
    x = 3,788.29

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1.5x scale

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.