Home / 2,629.36-3,926.99-2,382.07

Finding the Fourth Proportional to 2,629.36, 3,926.99 and 2,382.07

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Solution

The fourth proportional to 2,629.36, 3,926.99 and 2,382.07 is: 3,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.36 : 3,926.99 = 2,382.07 : x
  2. Step 2: Convert to fraction form
    2,629.36/3,926.99 = 2,382.07/x
  3. Step 3: Cross multiply
    2,629.36x = 3,926.99 × 2,382.07
  4. Step 4: Simplify right side
    2,629.36x = 9,354,361.21
  5. Step 5: Solve for x
    x = 9,354,361.21/2,629.36
  6. Step 6: Final answer
    x = 3,557.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.