Home / 3,617.94-5,426.82-1,020.81

Finding the Fourth Proportional to 3,617.94, 5,426.82 and 1,020.81

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Solution

The fourth proportional to 3,617.94, 5,426.82 and 1,020.81 is: 1,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.94 : 5,426.82 = 1,020.81 : x
  2. Step 2: Convert to fraction form
    3,617.94/5,426.82 = 1,020.81/x
  3. Step 3: Cross multiply
    3,617.94x = 5,426.82 × 1,020.81
  4. Step 4: Simplify right side
    3,617.94x = 5,539,752.12
  5. Step 5: Solve for x
    x = 5,539,752.12/3,617.94
  6. Step 6: Final answer
    x = 1,531.19

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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.