Home / 3,385.86-4,672.04-2,208.52

Finding the Fourth Proportional to 3,385.86, 4,672.04 and 2,208.52

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Solution

The fourth proportional to 3,385.86, 4,672.04 and 2,208.52 is: 3,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.86 : 4,672.04 = 2,208.52 : x
  2. Step 2: Convert to fraction form
    3,385.86/4,672.04 = 2,208.52/x
  3. Step 3: Cross multiply
    3,385.86x = 4,672.04 × 2,208.52
  4. Step 4: Simplify right side
    3,385.86x = 10,318,293.78
  5. Step 5: Solve for x
    x = 10,318,293.78/3,385.86
  6. Step 6: Final answer
    x = 3,047.47

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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.