Home / 3,489.03-4,814.15-2,072.52

Finding the Fourth Proportional to 3,489.03, 4,814.15 and 2,072.52

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Solution

The fourth proportional to 3,489.03, 4,814.15 and 2,072.52 is: 2,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.03 : 4,814.15 = 2,072.52 : x
  2. Step 2: Convert to fraction form
    3,489.03/4,814.15 = 2,072.52/x
  3. Step 3: Cross multiply
    3,489.03x = 4,814.15 × 2,072.52
  4. Step 4: Simplify right side
    3,489.03x = 9,977,411.80
  5. Step 5: Solve for x
    x = 9,977,411.80/3,489.03
  6. Step 6: Final answer
    x = 2,859.65

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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.