Home / 2,979.05-4,101.74-2,529.99

Finding the Fourth Proportional to 2,979.05, 4,101.74 and 2,529.99

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Solution

The fourth proportional to 2,979.05, 4,101.74 and 2,529.99 is: 3,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.05 : 4,101.74 = 2,529.99 : x
  2. Step 2: Convert to fraction form
    2,979.05/4,101.74 = 2,529.99/x
  3. Step 3: Cross multiply
    2,979.05x = 4,101.74 × 2,529.99
  4. Step 4: Simplify right side
    2,979.05x = 10,377,340.67
  5. Step 5: Solve for x
    x = 10,377,340.67/2,979.05
  6. Step 6: Final answer
    x = 3,483.44

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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.