Home / 4,284.68-5,911.80-2,691.60

Finding the Fourth Proportional to 4,284.68, 5,911.80 and 2,691.60

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Solution

The fourth proportional to 4,284.68, 5,911.80 and 2,691.60 is: 3,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.68 : 5,911.80 = 2,691.60 : x
  2. Step 2: Convert to fraction form
    4,284.68/5,911.80 = 2,691.60/x
  3. Step 3: Cross multiply
    4,284.68x = 5,911.80 × 2,691.60
  4. Step 4: Simplify right side
    4,284.68x = 15,912,200.88
  5. Step 5: Solve for x
    x = 15,912,200.88/4,284.68
  6. Step 6: Final answer
    x = 3,713.74

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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.