Home / 2,604.28-3,911.26-2,143.08

Finding the Fourth Proportional to 2,604.28, 3,911.26 and 2,143.08

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Solution

The fourth proportional to 2,604.28, 3,911.26 and 2,143.08 is: 3,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.28 : 3,911.26 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    2,604.28/3,911.26 = 2,143.08/x
  3. Step 3: Cross multiply
    2,604.28x = 3,911.26 × 2,143.08
  4. Step 4: Simplify right side
    2,604.28x = 8,382,143.08
  5. Step 5: Solve for x
    x = 8,382,143.08/2,604.28
  6. Step 6: Final answer
    x = 3,218.60

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1.5x scale

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.