Home / 3,617.88-5,427.18-1,020.84

Finding the Fourth Proportional to 3,617.88, 5,427.18 and 1,020.84

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Solution

The fourth proportional to 3,617.88, 5,427.18 and 1,020.84 is: 1,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.88 : 5,427.18 = 1,020.84 : x
  2. Step 2: Convert to fraction form
    3,617.88/5,427.18 = 1,020.84/x
  3. Step 3: Cross multiply
    3,617.88x = 5,427.18 × 1,020.84
  4. Step 4: Simplify right side
    3,617.88x = 5,540,282.43
  5. Step 5: Solve for x
    x = 5,540,282.43/3,617.88
  6. Step 6: Final answer
    x = 1,531.36

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1.5x scale

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.