Home / 2,400.70-3,600.78-1,785.33

Finding the Fourth Proportional to 2,400.70, 3,600.78 and 1,785.33

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Solution

The fourth proportional to 2,400.70, 3,600.78 and 1,785.33 is: 2,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.70 : 3,600.78 = 1,785.33 : x
  2. Step 2: Convert to fraction form
    2,400.70/3,600.78 = 1,785.33/x
  3. Step 3: Cross multiply
    2,400.70x = 3,600.78 × 1,785.33
  4. Step 4: Simplify right side
    2,400.70x = 6,428,580.56
  5. Step 5: Solve for x
    x = 6,428,580.56/2,400.70
  6. Step 6: Final answer
    x = 2,677.79

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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.