Home / 3,817.53-5,719.01-1,965.87

Finding the Fourth Proportional to 3,817.53, 5,719.01 and 1,965.87

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Solution

The fourth proportional to 3,817.53, 5,719.01 and 1,965.87 is: 2,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.53 : 5,719.01 = 1,965.87 : x
  2. Step 2: Convert to fraction form
    3,817.53/5,719.01 = 1,965.87/x
  3. Step 3: Cross multiply
    3,817.53x = 5,719.01 × 1,965.87
  4. Step 4: Simplify right side
    3,817.53x = 11,242,820.36
  5. Step 5: Solve for x
    x = 11,242,820.36/3,817.53
  6. Step 6: Final answer
    x = 2,945.05

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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.