Home / 3,535.20-4,876.50-2,191.32

Finding the Fourth Proportional to 3,535.20, 4,876.50 and 2,191.32

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Solution

The fourth proportional to 3,535.20, 4,876.50 and 2,191.32 is: 3,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.20 : 4,876.50 = 2,191.32 : x
  2. Step 2: Convert to fraction form
    3,535.20/4,876.50 = 2,191.32/x
  3. Step 3: Cross multiply
    3,535.20x = 4,876.50 × 2,191.32
  4. Step 4: Simplify right side
    3,535.20x = 10,685,971.98
  5. Step 5: Solve for x
    x = 10,685,971.98/3,535.20
  6. Step 6: Final answer
    x = 3,022.73

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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.