Home / 2,449.31-3,379.52-1,786.32

Finding the Fourth Proportional to 2,449.31, 3,379.52 and 1,786.32

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Solution

The fourth proportional to 2,449.31, 3,379.52 and 1,786.32 is: 2,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.31 : 3,379.52 = 1,786.32 : x
  2. Step 2: Convert to fraction form
    2,449.31/3,379.52 = 1,786.32/x
  3. Step 3: Cross multiply
    2,449.31x = 3,379.52 × 1,786.32
  4. Step 4: Simplify right side
    2,449.31x = 6,036,908.63
  5. Step 5: Solve for x
    x = 6,036,908.63/2,449.31
  6. Step 6: Final answer
    x = 2,464.74

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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.