Home / 2,131.93-3,198.82-1,547.58

Finding the Fourth Proportional to 2,131.93, 3,198.82 and 1,547.58

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Solution

The fourth proportional to 2,131.93, 3,198.82 and 1,547.58 is: 2,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.93 : 3,198.82 = 1,547.58 : x
  2. Step 2: Convert to fraction form
    2,131.93/3,198.82 = 1,547.58/x
  3. Step 3: Cross multiply
    2,131.93x = 3,198.82 × 1,547.58
  4. Step 4: Simplify right side
    2,131.93x = 4,950,429.86
  5. Step 5: Solve for x
    x = 4,950,429.86/2,131.93
  6. Step 6: Final answer
    x = 2,322.04

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