Home / 3,934.85-5,903.25-1,161.51

Finding the Fourth Proportional to 3,934.85, 5,903.25 and 1,161.51

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Solution

The fourth proportional to 3,934.85, 5,903.25 and 1,161.51 is: 1,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.85 : 5,903.25 = 1,161.51 : x
  2. Step 2: Convert to fraction form
    3,934.85/5,903.25 = 1,161.51/x
  3. Step 3: Cross multiply
    3,934.85x = 5,903.25 × 1,161.51
  4. Step 4: Simplify right side
    3,934.85x = 6,856,678.10
  5. Step 5: Solve for x
    x = 6,856,678.10/3,934.85
  6. Step 6: Final answer
    x = 1,742.55

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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.