Home / 3,579.84-5,369.28-1,271.04

Finding the Fourth Proportional to 3,579.84, 5,369.28 and 1,271.04

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Solution

The fourth proportional to 3,579.84, 5,369.28 and 1,271.04 is: 1,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.84 : 5,369.28 = 1,271.04 : x
  2. Step 2: Convert to fraction form
    3,579.84/5,369.28 = 1,271.04/x
  3. Step 3: Cross multiply
    3,579.84x = 5,369.28 × 1,271.04
  4. Step 4: Simplify right side
    3,579.84x = 6,824,569.65
  5. Step 5: Solve for x
    x = 6,824,569.65/3,579.84
  6. Step 6: Final answer
    x = 1,906.39

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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.