Home / 3,438.64-5,159.94-1,491.04

Finding the Fourth Proportional to 3,438.64, 5,159.94 and 1,491.04

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Solution

The fourth proportional to 3,438.64, 5,159.94 and 1,491.04 is: 2,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.64 : 5,159.94 = 1,491.04 : x
  2. Step 2: Convert to fraction form
    3,438.64/5,159.94 = 1,491.04/x
  3. Step 3: Cross multiply
    3,438.64x = 5,159.94 × 1,491.04
  4. Step 4: Simplify right side
    3,438.64x = 7,693,676.94
  5. Step 5: Solve for x
    x = 7,693,676.94/3,438.64
  6. Step 6: Final answer
    x = 2,237.42

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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.