Home / 2,690.31-4,034.44-1,046.64

Finding the Fourth Proportional to 2,690.31, 4,034.44 and 1,046.64

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Solution

The fourth proportional to 2,690.31, 4,034.44 and 1,046.64 is: 1,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.31 : 4,034.44 = 1,046.64 : x
  2. Step 2: Convert to fraction form
    2,690.31/4,034.44 = 1,046.64/x
  3. Step 3: Cross multiply
    2,690.31x = 4,034.44 × 1,046.64
  4. Step 4: Simplify right side
    2,690.31x = 4,222,606.28
  5. Step 5: Solve for x
    x = 4,222,606.28/2,690.31
  6. Step 6: Final answer
    x = 1,569.56

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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.