Home / 3,765.11-5,652.84-1,917.47

Finding the Fourth Proportional to 3,765.11, 5,652.84 and 1,917.47

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Solution

The fourth proportional to 3,765.11, 5,652.84 and 1,917.47 is: 2,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.11 : 5,652.84 = 1,917.47 : x
  2. Step 2: Convert to fraction form
    3,765.11/5,652.84 = 1,917.47/x
  3. Step 3: Cross multiply
    3,765.11x = 5,652.84 × 1,917.47
  4. Step 4: Simplify right side
    3,765.11x = 10,839,151.11
  5. Step 5: Solve for x
    x = 10,839,151.11/3,765.11
  6. Step 6: Final answer
    x = 2,878.84

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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.