Home / 3,088.26-4,259.61-1,909.89

Finding the Fourth Proportional to 3,088.26, 4,259.61 and 1,909.89

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Solution

The fourth proportional to 3,088.26, 4,259.61 and 1,909.89 is: 2,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.26 : 4,259.61 = 1,909.89 : x
  2. Step 2: Convert to fraction form
    3,088.26/4,259.61 = 1,909.89/x
  3. Step 3: Cross multiply
    3,088.26x = 4,259.61 × 1,909.89
  4. Step 4: Simplify right side
    3,088.26x = 8,135,386.54
  5. Step 5: Solve for x
    x = 8,135,386.54/3,088.26
  6. Step 6: Final answer
    x = 2,634.29

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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.