Home / 3,550.21-5,326.12-1,084.77

Finding the Fourth Proportional to 3,550.21, 5,326.12 and 1,084.77

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Solution

The fourth proportional to 3,550.21, 5,326.12 and 1,084.77 is: 1,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.21 : 5,326.12 = 1,084.77 : x
  2. Step 2: Convert to fraction form
    3,550.21/5,326.12 = 1,084.77/x
  3. Step 3: Cross multiply
    3,550.21x = 5,326.12 × 1,084.77
  4. Step 4: Simplify right side
    3,550.21x = 5,777,615.19
  5. Step 5: Solve for x
    x = 5,777,615.19/3,550.21
  6. Step 6: Final answer
    x = 1,627.40

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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.