Home / 3,341.78-5,018.36-2,785.92

Finding the Fourth Proportional to 3,341.78, 5,018.36 and 2,785.92

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Solution

The fourth proportional to 3,341.78, 5,018.36 and 2,785.92 is: 4,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.78 : 5,018.36 = 2,785.92 : x
  2. Step 2: Convert to fraction form
    3,341.78/5,018.36 = 2,785.92/x
  3. Step 3: Cross multiply
    3,341.78x = 5,018.36 × 2,785.92
  4. Step 4: Simplify right side
    3,341.78x = 13,980,749.49
  5. Step 5: Solve for x
    x = 13,980,749.49/3,341.78
  6. Step 6: Final answer
    x = 4,183.62

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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.