Home / 3,505.89-4,834.04-2,620.11

Finding the Fourth Proportional to 3,505.89, 4,834.04 and 2,620.11

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Solution

The fourth proportional to 3,505.89, 4,834.04 and 2,620.11 is: 3,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.89 : 4,834.04 = 2,620.11 : x
  2. Step 2: Convert to fraction form
    3,505.89/4,834.04 = 2,620.11/x
  3. Step 3: Cross multiply
    3,505.89x = 4,834.04 × 2,620.11
  4. Step 4: Simplify right side
    3,505.89x = 12,665,703.44
  5. Step 5: Solve for x
    x = 12,665,703.44/3,505.89
  6. Step 6: Final answer
    x = 3,612.69

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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.