Home / 3,461.22-5,191.78-1,611.30

Finding the Fourth Proportional to 3,461.22, 5,191.78 and 1,611.30

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Solution

The fourth proportional to 3,461.22, 5,191.78 and 1,611.30 is: 2,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.22 : 5,191.78 = 1,611.30 : x
  2. Step 2: Convert to fraction form
    3,461.22/5,191.78 = 1,611.30/x
  3. Step 3: Cross multiply
    3,461.22x = 5,191.78 × 1,611.30
  4. Step 4: Simplify right side
    3,461.22x = 8,365,515.11
  5. Step 5: Solve for x
    x = 8,365,515.11/3,461.22
  6. Step 6: Final answer
    x = 2,416.93

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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.