Home / 3,067.68-4,231.96-1,888.32

Finding the Fourth Proportional to 3,067.68, 4,231.96 and 1,888.32

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Solution

The fourth proportional to 3,067.68, 4,231.96 and 1,888.32 is: 2,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.68 : 4,231.96 = 1,888.32 : x
  2. Step 2: Convert to fraction form
    3,067.68/4,231.96 = 1,888.32/x
  3. Step 3: Cross multiply
    3,067.68x = 4,231.96 × 1,888.32
  4. Step 4: Simplify right side
    3,067.68x = 7,991,294.71
  5. Step 5: Solve for x
    x = 7,991,294.71/3,067.68
  6. Step 6: Final answer
    x = 2,605.00

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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.