Home / 3,209.10-4,809.80-1,454.94

Finding the Fourth Proportional to 3,209.10, 4,809.80 and 1,454.94

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Solution

The fourth proportional to 3,209.10, 4,809.80 and 1,454.94 is: 2,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.10 : 4,809.80 = 1,454.94 : x
  2. Step 2: Convert to fraction form
    3,209.10/4,809.80 = 1,454.94/x
  3. Step 3: Cross multiply
    3,209.10x = 4,809.80 × 1,454.94
  4. Step 4: Simplify right side
    3,209.10x = 6,997,963.14
  5. Step 5: Solve for x
    x = 6,997,963.14/3,209.10
  6. Step 6: Final answer
    x = 2,180.66

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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.