Home / 2,967.40-4,093.72-1,787.79

Finding the Fourth Proportional to 2,967.40, 4,093.72 and 1,787.79

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Solution

The fourth proportional to 2,967.40, 4,093.72 and 1,787.79 is: 2,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.40 : 4,093.72 = 1,787.79 : x
  2. Step 2: Convert to fraction form
    2,967.40/4,093.72 = 1,787.79/x
  3. Step 3: Cross multiply
    2,967.40x = 4,093.72 × 1,787.79
  4. Step 4: Simplify right side
    2,967.40x = 7,318,711.68
  5. Step 5: Solve for x
    x = 7,318,711.68/2,967.40
  6. Step 6: Final answer
    x = 2,466.37

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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.