Home / 3,809.73-5,259.03-2,761.59

Finding the Fourth Proportional to 3,809.73, 5,259.03 and 2,761.59

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Solution

The fourth proportional to 3,809.73, 5,259.03 and 2,761.59 is: 3,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.73 : 5,259.03 = 2,761.59 : x
  2. Step 2: Convert to fraction form
    3,809.73/5,259.03 = 2,761.59/x
  3. Step 3: Cross multiply
    3,809.73x = 5,259.03 × 2,761.59
  4. Step 4: Simplify right side
    3,809.73x = 14,523,284.66
  5. Step 5: Solve for x
    x = 14,523,284.66/3,809.73
  6. Step 6: Final answer
    x = 3,812.16

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1.5x scale

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.