Home / 3,879.39-5,814.45-2,703.02

Finding the Fourth Proportional to 3,879.39, 5,814.45 and 2,703.02

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Solution

The fourth proportional to 3,879.39, 5,814.45 and 2,703.02 is: 4,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.39 : 5,814.45 = 2,703.02 : x
  2. Step 2: Convert to fraction form
    3,879.39/5,814.45 = 2,703.02/x
  3. Step 3: Cross multiply
    3,879.39x = 5,814.45 × 2,703.02
  4. Step 4: Simplify right side
    3,879.39x = 15,716,574.64
  5. Step 5: Solve for x
    x = 15,716,574.64/3,879.39
  6. Step 6: Final answer
    x = 4,051.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.