Home / 2,026.28-2,787.92-1,583.42

Finding the Fourth Proportional to 2,026.28, 2,787.92 and 1,583.42

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Solution

The fourth proportional to 2,026.28, 2,787.92 and 1,583.42 is: 2,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.28 : 2,787.92 = 1,583.42 : x
  2. Step 2: Convert to fraction form
    2,026.28/2,787.92 = 1,583.42/x
  3. Step 3: Cross multiply
    2,026.28x = 2,787.92 × 1,583.42
  4. Step 4: Simplify right side
    2,026.28x = 4,414,448.29
  5. Step 5: Solve for x
    x = 4,414,448.29/2,026.28
  6. Step 6: Final answer
    x = 2,178.60

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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.