Home / 3,271.05-4,513.99-1,778.92

Finding the Fourth Proportional to 3,271.05, 4,513.99 and 1,778.92

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Solution

The fourth proportional to 3,271.05, 4,513.99 and 1,778.92 is: 2,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.05 : 4,513.99 = 1,778.92 : x
  2. Step 2: Convert to fraction form
    3,271.05/4,513.99 = 1,778.92/x
  3. Step 3: Cross multiply
    3,271.05x = 4,513.99 × 1,778.92
  4. Step 4: Simplify right side
    3,271.05x = 8,030,027.09
  5. Step 5: Solve for x
    x = 8,030,027.09/3,271.05
  6. Step 6: Final answer
    x = 2,454.88

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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.