Home / 3,533.78-4,876.37-1,961.75

Finding the Fourth Proportional to 3,533.78, 4,876.37 and 1,961.75

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Solution

The fourth proportional to 3,533.78, 4,876.37 and 1,961.75 is: 2,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.78 : 4,876.37 = 1,961.75 : x
  2. Step 2: Convert to fraction form
    3,533.78/4,876.37 = 1,961.75/x
  3. Step 3: Cross multiply
    3,533.78x = 4,876.37 × 1,961.75
  4. Step 4: Simplify right side
    3,533.78x = 9,566,218.85
  5. Step 5: Solve for x
    x = 9,566,218.85/3,533.78
  6. Step 6: Final answer
    x = 2,707.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.