Home / 3,561.23-5,341.85-1,611.16

Finding the Fourth Proportional to 3,561.23, 5,341.85 and 1,611.16

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Solution

The fourth proportional to 3,561.23, 5,341.85 and 1,611.16 is: 2,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.23 : 5,341.85 = 1,611.16 : x
  2. Step 2: Convert to fraction form
    3,561.23/5,341.85 = 1,611.16/x
  3. Step 3: Cross multiply
    3,561.23x = 5,341.85 × 1,611.16
  4. Step 4: Simplify right side
    3,561.23x = 8,606,575.05
  5. Step 5: Solve for x
    x = 8,606,575.05/3,561.23
  6. Step 6: Final answer
    x = 2,416.74

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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.