Home / 3,606.90-4,972.58-2,279.94

Finding the Fourth Proportional to 3,606.90, 4,972.58 and 2,279.94

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Solution

The fourth proportional to 3,606.90, 4,972.58 and 2,279.94 is: 3,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.90 : 4,972.58 = 2,279.94 : x
  2. Step 2: Convert to fraction form
    3,606.90/4,972.58 = 2,279.94/x
  3. Step 3: Cross multiply
    3,606.90x = 4,972.58 × 2,279.94
  4. Step 4: Simplify right side
    3,606.90x = 11,337,184.05
  5. Step 5: Solve for x
    x = 11,337,184.05/3,606.90
  6. Step 6: Final answer
    x = 3,143.19

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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.