Home / 3,626.10-5,435.51-1,979.24

Finding the Fourth Proportional to 3,626.10, 5,435.51 and 1,979.24

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Solution

The fourth proportional to 3,626.10, 5,435.51 and 1,979.24 is: 2,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.10 : 5,435.51 = 1,979.24 : x
  2. Step 2: Convert to fraction form
    3,626.10/5,435.51 = 1,979.24/x
  3. Step 3: Cross multiply
    3,626.10x = 5,435.51 × 1,979.24
  4. Step 4: Simplify right side
    3,626.10x = 10,758,141.74
  5. Step 5: Solve for x
    x = 10,758,141.74/3,626.10
  6. Step 6: Final answer
    x = 2,966.86

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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.