Home / 3,659.80-5,048.70-3,162.28

Finding the Fourth Proportional to 3,659.80, 5,048.70 and 3,162.28

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Solution

The fourth proportional to 3,659.80, 5,048.70 and 3,162.28 is: 4,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.80 : 5,048.70 = 3,162.28 : x
  2. Step 2: Convert to fraction form
    3,659.80/5,048.70 = 3,162.28/x
  3. Step 3: Cross multiply
    3,659.80x = 5,048.70 × 3,162.28
  4. Step 4: Simplify right side
    3,659.80x = 15,965,403.04
  5. Step 5: Solve for x
    x = 15,965,403.04/3,659.80
  6. Step 6: Final answer
    x = 4,362.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.