Home / 3,511.15-5,259.16-1,659.49

Finding the Fourth Proportional to 3,511.15, 5,259.16 and 1,659.49

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Solution

The fourth proportional to 3,511.15, 5,259.16 and 1,659.49 is: 2,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.15 : 5,259.16 = 1,659.49 : x
  2. Step 2: Convert to fraction form
    3,511.15/5,259.16 = 1,659.49/x
  3. Step 3: Cross multiply
    3,511.15x = 5,259.16 × 1,659.49
  4. Step 4: Simplify right side
    3,511.15x = 8,727,523.43
  5. Step 5: Solve for x
    x = 8,727,523.43/3,511.15
  6. Step 6: Final answer
    x = 2,485.66

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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.