Home / 3,579.46-5,368.97-2,127.85

Finding the Fourth Proportional to 3,579.46, 5,368.97 and 2,127.85

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Solution

The fourth proportional to 3,579.46, 5,368.97 and 2,127.85 is: 3,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.46 : 5,368.97 = 2,127.85 : x
  2. Step 2: Convert to fraction form
    3,579.46/5,368.97 = 2,127.85/x
  3. Step 3: Cross multiply
    3,579.46x = 5,368.97 × 2,127.85
  4. Step 4: Simplify right side
    3,579.46x = 11,424,354.71
  5. Step 5: Solve for x
    x = 11,424,354.71/3,579.46
  6. Step 6: Final answer
    x = 3,191.64

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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.