Home / 3,606.29-5,401.35-3,131.70

Finding the Fourth Proportional to 3,606.29, 5,401.35 and 3,131.70

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Solution

The fourth proportional to 3,606.29, 5,401.35 and 3,131.70 is: 4,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.29 : 5,401.35 = 3,131.70 : x
  2. Step 2: Convert to fraction form
    3,606.29/5,401.35 = 3,131.70/x
  3. Step 3: Cross multiply
    3,606.29x = 5,401.35 × 3,131.70
  4. Step 4: Simplify right side
    3,606.29x = 16,915,387.54
  5. Step 5: Solve for x
    x = 16,915,387.54/3,606.29
  6. Step 6: Final answer
    x = 4,690.53

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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.