Home / 2,783.38-4,171.82-1,550.20

Finding the Fourth Proportional to 2,783.38, 4,171.82 and 1,550.20

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Solution

The fourth proportional to 2,783.38, 4,171.82 and 1,550.20 is: 2,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.38 : 4,171.82 = 1,550.20 : x
  2. Step 2: Convert to fraction form
    2,783.38/4,171.82 = 1,550.20/x
  3. Step 3: Cross multiply
    2,783.38x = 4,171.82 × 1,550.20
  4. Step 4: Simplify right side
    2,783.38x = 6,467,155.36
  5. Step 5: Solve for x
    x = 6,467,155.36/2,783.38
  6. Step 6: Final answer
    x = 2,323.49

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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.