Home / 1,787.52-2,466.21-1,001.42

Finding the Fourth Proportional to 1,787.52, 2,466.21 and 1,001.42

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Solution

The fourth proportional to 1,787.52, 2,466.21 and 1,001.42 is: 1,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.52 : 2,466.21 = 1,001.42 : x
  2. Step 2: Convert to fraction form
    1,787.52/2,466.21 = 1,001.42/x
  3. Step 3: Cross multiply
    1,787.52x = 2,466.21 × 1,001.42
  4. Step 4: Simplify right side
    1,787.52x = 2,469,712.02
  5. Step 5: Solve for x
    x = 2,469,712.02/1,787.52
  6. Step 6: Final answer
    x = 1,381.64

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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.