Home / 3,611.80-4,983.99-2,119.51

Finding the Fourth Proportional to 3,611.80, 4,983.99 and 2,119.51

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Solution

The fourth proportional to 3,611.80, 4,983.99 and 2,119.51 is: 2,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.80 : 4,983.99 = 2,119.51 : x
  2. Step 2: Convert to fraction form
    3,611.80/4,983.99 = 2,119.51/x
  3. Step 3: Cross multiply
    3,611.80x = 4,983.99 × 2,119.51
  4. Step 4: Simplify right side
    3,611.80x = 10,563,616.64
  5. Step 5: Solve for x
    x = 10,563,616.64/3,611.80
  6. Step 6: Final answer
    x = 2,924.75

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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.