Home / 2,103.99-2,908.76-1,579.11

Finding the Fourth Proportional to 2,103.99, 2,908.76 and 1,579.11

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Solution

The fourth proportional to 2,103.99, 2,908.76 and 1,579.11 is: 2,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.99 : 2,908.76 = 1,579.11 : x
  2. Step 2: Convert to fraction form
    2,103.99/2,908.76 = 1,579.11/x
  3. Step 3: Cross multiply
    2,103.99x = 2,908.76 × 1,579.11
  4. Step 4: Simplify right side
    2,103.99x = 4,593,244.11
  5. Step 5: Solve for x
    x = 4,593,244.11/2,103.99
  6. Step 6: Final answer
    x = 2,183.11

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1.5x scale

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.