Home / 3,773.05-5,211.87-2,899.76

Finding the Fourth Proportional to 3,773.05, 5,211.87 and 2,899.76

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Solution

The fourth proportional to 3,773.05, 5,211.87 and 2,899.76 is: 4,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.05 : 5,211.87 = 2,899.76 : x
  2. Step 2: Convert to fraction form
    3,773.05/5,211.87 = 2,899.76/x
  3. Step 3: Cross multiply
    3,773.05x = 5,211.87 × 2,899.76
  4. Step 4: Simplify right side
    3,773.05x = 15,113,172.15
  5. Step 5: Solve for x
    x = 15,113,172.15/3,773.05
  6. Step 6: Final answer
    x = 4,005.56

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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.