Home / 2,346.30-3,519.73-787.42

Finding the Fourth Proportional to 2,346.30, 3,519.73 and 787.42

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Solution

The fourth proportional to 2,346.30, 3,519.73 and 787.42 is: 1,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.30 : 3,519.73 = 787.42 : x
  2. Step 2: Convert to fraction form
    2,346.30/3,519.73 = 787.42/x
  3. Step 3: Cross multiply
    2,346.30x = 3,519.73 × 787.42
  4. Step 4: Simplify right side
    2,346.30x = 2,771,505.80
  5. Step 5: Solve for x
    x = 2,771,505.80/2,346.30
  6. Step 6: Final answer
    x = 1,181.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.