Home / 3,272.21-4,908.59-1,423.39

Finding the Fourth Proportional to 3,272.21, 4,908.59 and 1,423.39

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Solution

The fourth proportional to 3,272.21, 4,908.59 and 1,423.39 is: 2,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.21 : 4,908.59 = 1,423.39 : x
  2. Step 2: Convert to fraction form
    3,272.21/4,908.59 = 1,423.39/x
  3. Step 3: Cross multiply
    3,272.21x = 4,908.59 × 1,423.39
  4. Step 4: Simplify right side
    3,272.21x = 6,986,837.92
  5. Step 5: Solve for x
    x = 6,986,837.92/3,272.21
  6. Step 6: Final answer
    x = 2,135.20

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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.