Home / 3,611.05-4,983.86-3,021.37

Finding the Fourth Proportional to 3,611.05, 4,983.86 and 3,021.37

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Solution

The fourth proportional to 3,611.05, 4,983.86 and 3,021.37 is: 4,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.05 : 4,983.86 = 3,021.37 : x
  2. Step 2: Convert to fraction form
    3,611.05/4,983.86 = 3,021.37/x
  3. Step 3: Cross multiply
    3,611.05x = 4,983.86 × 3,021.37
  4. Step 4: Simplify right side
    3,611.05x = 15,058,080.18
  5. Step 5: Solve for x
    x = 15,058,080.18/3,611.05
  6. Step 6: Final answer
    x = 4,170.00

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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.