Home / 3,935.08-5,903.50-1,161.72

Finding the Fourth Proportional to 3,935.08, 5,903.50 and 1,161.72

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Solution

The fourth proportional to 3,935.08, 5,903.50 and 1,161.72 is: 1,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.08 : 5,903.50 = 1,161.72 : x
  2. Step 2: Convert to fraction form
    3,935.08/5,903.50 = 1,161.72/x
  3. Step 3: Cross multiply
    3,935.08x = 5,903.50 × 1,161.72
  4. Step 4: Simplify right side
    3,935.08x = 6,858,214.02
  5. Step 5: Solve for x
    x = 6,858,214.02/3,935.08
  6. Step 6: Final answer
    x = 1,742.84

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1.5x scale

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.