Home / 1,787.04-2,467.26-1,262.16

Finding the Fourth Proportional to 1,787.04, 2,467.26 and 1,262.16

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Solution

The fourth proportional to 1,787.04, 2,467.26 and 1,262.16 is: 1,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.04 : 2,467.26 = 1,262.16 : x
  2. Step 2: Convert to fraction form
    1,787.04/2,467.26 = 1,262.16/x
  3. Step 3: Cross multiply
    1,787.04x = 2,467.26 × 1,262.16
  4. Step 4: Simplify right side
    1,787.04x = 3,114,076.88
  5. Step 5: Solve for x
    x = 3,114,076.88/1,787.04
  6. Step 6: Final answer
    x = 1,742.59

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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.