Home / 3,451.05-4,762.41-1,879.13

Finding the Fourth Proportional to 3,451.05, 4,762.41 and 1,879.13

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Solution

The fourth proportional to 3,451.05, 4,762.41 and 1,879.13 is: 2,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.05 : 4,762.41 = 1,879.13 : x
  2. Step 2: Convert to fraction form
    3,451.05/4,762.41 = 1,879.13/x
  3. Step 3: Cross multiply
    3,451.05x = 4,762.41 × 1,879.13
  4. Step 4: Simplify right side
    3,451.05x = 8,949,163.69
  5. Step 5: Solve for x
    x = 8,949,163.69/3,451.05
  6. Step 6: Final answer
    x = 2,593.17

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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.