Home / 3,561.80-5,346.45-2,003.13

Finding the Fourth Proportional to 3,561.80, 5,346.45 and 2,003.13

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Solution

The fourth proportional to 3,561.80, 5,346.45 and 2,003.13 is: 3,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.80 : 5,346.45 = 2,003.13 : x
  2. Step 2: Convert to fraction form
    3,561.80/5,346.45 = 2,003.13/x
  3. Step 3: Cross multiply
    3,561.80x = 5,346.45 × 2,003.13
  4. Step 4: Simplify right side
    3,561.80x = 10,709,634.39
  5. Step 5: Solve for x
    x = 10,709,634.39/3,561.80
  6. Step 6: Final answer
    x = 3,006.80

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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.