Home / 2,403.78-3,601-1,579.56

Finding the Fourth Proportional to 2,403.78, 3,601 and 1,579.56

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Solution

The fourth proportional to 2,403.78, 3,601 and 1,579.56 is: 2,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.78 : 3,601 = 1,579.56 : x
  2. Step 2: Convert to fraction form
    2,403.78/3,601 = 1,579.56/x
  3. Step 3: Cross multiply
    2,403.78x = 3,601 × 1,579.56
  4. Step 4: Simplify right side
    2,403.78x = 5,687,995.56
  5. Step 5: Solve for x
    x = 5,687,995.56/2,403.78
  6. Step 6: Final answer
    x = 2,366.27

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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.