Home / 3,561.85-4,913.63-2,511.61

Finding the Fourth Proportional to 3,561.85, 4,913.63 and 2,511.61

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Solution

The fourth proportional to 3,561.85, 4,913.63 and 2,511.61 is: 3,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.85 : 4,913.63 = 2,511.61 : x
  2. Step 2: Convert to fraction form
    3,561.85/4,913.63 = 2,511.61/x
  3. Step 3: Cross multiply
    3,561.85x = 4,913.63 × 2,511.61
  4. Step 4: Simplify right side
    3,561.85x = 12,341,109.69
  5. Step 5: Solve for x
    x = 12,341,109.69/3,561.85
  6. Step 6: Final answer
    x = 3,464.80

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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.