Home / 3,935.07-5,901.21-1,161

Finding the Fourth Proportional to 3,935.07, 5,901.21 and 1,161

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Solution

The fourth proportional to 3,935.07, 5,901.21 and 1,161 is: 1,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.07 : 5,901.21 = 1,161 : x
  2. Step 2: Convert to fraction form
    3,935.07/5,901.21 = 1,161/x
  3. Step 3: Cross multiply
    3,935.07x = 5,901.21 × 1,161
  4. Step 4: Simplify right side
    3,935.07x = 6,851,304.81
  5. Step 5: Solve for x
    x = 6,851,304.81/3,935.07
  6. Step 6: Final answer
    x = 1,741.09

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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.