Home / 3,475.72-5,214.39-1,135.81

Finding the Fourth Proportional to 3,475.72, 5,214.39 and 1,135.81

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Solution

The fourth proportional to 3,475.72, 5,214.39 and 1,135.81 is: 1,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.72 : 5,214.39 = 1,135.81 : x
  2. Step 2: Convert to fraction form
    3,475.72/5,214.39 = 1,135.81/x
  3. Step 3: Cross multiply
    3,475.72x = 5,214.39 × 1,135.81
  4. Step 4: Simplify right side
    3,475.72x = 5,922,556.31
  5. Step 5: Solve for x
    x = 5,922,556.31/3,475.72
  6. Step 6: Final answer
    x = 1,703.98

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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.