Home / 3,149.17-4,345.32-1,822.64

Finding the Fourth Proportional to 3,149.17, 4,345.32 and 1,822.64

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Solution

The fourth proportional to 3,149.17, 4,345.32 and 1,822.64 is: 2,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.17 : 4,345.32 = 1,822.64 : x
  2. Step 2: Convert to fraction form
    3,149.17/4,345.32 = 1,822.64/x
  3. Step 3: Cross multiply
    3,149.17x = 4,345.32 × 1,822.64
  4. Step 4: Simplify right side
    3,149.17x = 7,919,964.91
  5. Step 5: Solve for x
    x = 7,919,964.91/3,149.17
  6. Step 6: Final answer
    x = 2,514.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.