Home / 2,276.93-3,142.31-1,282.11

Finding the Fourth Proportional to 2,276.93, 3,142.31 and 1,282.11

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Solution

The fourth proportional to 2,276.93, 3,142.31 and 1,282.11 is: 1,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.93 : 3,142.31 = 1,282.11 : x
  2. Step 2: Convert to fraction form
    2,276.93/3,142.31 = 1,282.11/x
  3. Step 3: Cross multiply
    2,276.93x = 3,142.31 × 1,282.11
  4. Step 4: Simplify right side
    2,276.93x = 4,028,787.07
  5. Step 5: Solve for x
    x = 4,028,787.07/2,276.93
  6. Step 6: Final answer
    x = 1,769.39

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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.