Home / 2,979.72-4,453.41-2,746.28

Finding the Fourth Proportional to 2,979.72, 4,453.41 and 2,746.28

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Solution

The fourth proportional to 2,979.72, 4,453.41 and 2,746.28 is: 4,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.72 : 4,453.41 = 2,746.28 : x
  2. Step 2: Convert to fraction form
    2,979.72/4,453.41 = 2,746.28/x
  3. Step 3: Cross multiply
    2,979.72x = 4,453.41 × 2,746.28
  4. Step 4: Simplify right side
    2,979.72x = 12,230,310.81
  5. Step 5: Solve for x
    x = 12,230,310.81/2,979.72
  6. Step 6: Final answer
    x = 4,104.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.