Home / 3,589.21-5,383.81-1,124.25

Finding the Fourth Proportional to 3,589.21, 5,383.81 and 1,124.25

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Solution

The fourth proportional to 3,589.21, 5,383.81 and 1,124.25 is: 1,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.21 : 5,383.81 = 1,124.25 : x
  2. Step 2: Convert to fraction form
    3,589.21/5,383.81 = 1,124.25/x
  3. Step 3: Cross multiply
    3,589.21x = 5,383.81 × 1,124.25
  4. Step 4: Simplify right side
    3,589.21x = 6,052,748.39
  5. Step 5: Solve for x
    x = 6,052,748.39/3,589.21
  6. Step 6: Final answer
    x = 1,686.38

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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.