Home / 3,651.99-5,039.75-2,080.08

Finding the Fourth Proportional to 3,651.99, 5,039.75 and 2,080.08

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Solution

The fourth proportional to 3,651.99, 5,039.75 and 2,080.08 is: 2,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.99 : 5,039.75 = 2,080.08 : x
  2. Step 2: Convert to fraction form
    3,651.99/5,039.75 = 2,080.08/x
  3. Step 3: Cross multiply
    3,651.99x = 5,039.75 × 2,080.08
  4. Step 4: Simplify right side
    3,651.99x = 10,483,083.18
  5. Step 5: Solve for x
    x = 10,483,083.18/3,651.99
  6. Step 6: Final answer
    x = 2,870.51

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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.