Home / 3,601.75-5,402.65-1,261.75

Finding the Fourth Proportional to 3,601.75, 5,402.65 and 1,261.75

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Solution

The fourth proportional to 3,601.75, 5,402.65 and 1,261.75 is: 1,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.75 : 5,402.65 = 1,261.75 : x
  2. Step 2: Convert to fraction form
    3,601.75/5,402.65 = 1,261.75/x
  3. Step 3: Cross multiply
    3,601.75x = 5,402.65 × 1,261.75
  4. Step 4: Simplify right side
    3,601.75x = 6,816,793.64
  5. Step 5: Solve for x
    x = 6,816,793.64/3,601.75
  6. Step 6: Final answer
    x = 1,892.63

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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.