Home / 3,615.42-4,985.91-3,194.22

Finding the Fourth Proportional to 3,615.42, 4,985.91 and 3,194.22

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Solution

The fourth proportional to 3,615.42, 4,985.91 and 3,194.22 is: 4,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.42 : 4,985.91 = 3,194.22 : x
  2. Step 2: Convert to fraction form
    3,615.42/4,985.91 = 3,194.22/x
  3. Step 3: Cross multiply
    3,615.42x = 4,985.91 × 3,194.22
  4. Step 4: Simplify right side
    3,615.42x = 15,926,093.44
  5. Step 5: Solve for x
    x = 15,926,093.44/3,615.42
  6. Step 6: Final answer
    x = 4,405.05

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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.