Home / 2,284.32-3,424.86-1,187.58

Finding the Fourth Proportional to 2,284.32, 3,424.86 and 1,187.58

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Solution

The fourth proportional to 2,284.32, 3,424.86 and 1,187.58 is: 1,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.32 : 3,424.86 = 1,187.58 : x
  2. Step 2: Convert to fraction form
    2,284.32/3,424.86 = 1,187.58/x
  3. Step 3: Cross multiply
    2,284.32x = 3,424.86 × 1,187.58
  4. Step 4: Simplify right side
    2,284.32x = 4,067,295.24
  5. Step 5: Solve for x
    x = 4,067,295.24/2,284.32
  6. Step 6: Final answer
    x = 1,780.53

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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.