Home / 1,787.08-2,467.06-1,227.76

Finding the Fourth Proportional to 1,787.08, 2,467.06 and 1,227.76

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Solution

The fourth proportional to 1,787.08, 2,467.06 and 1,227.76 is: 1,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.08 : 2,467.06 = 1,227.76 : x
  2. Step 2: Convert to fraction form
    1,787.08/2,467.06 = 1,227.76/x
  3. Step 3: Cross multiply
    1,787.08x = 2,467.06 × 1,227.76
  4. Step 4: Simplify right side
    1,787.08x = 3,028,957.59
  5. Step 5: Solve for x
    x = 3,028,957.59/1,787.08
  6. Step 6: Final answer
    x = 1,694.92

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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.