Home / 3,209.17-4,428.74-1,882.39

Finding the Fourth Proportional to 3,209.17, 4,428.74 and 1,882.39

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Solution

The fourth proportional to 3,209.17, 4,428.74 and 1,882.39 is: 2,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.17 : 4,428.74 = 1,882.39 : x
  2. Step 2: Convert to fraction form
    3,209.17/4,428.74 = 1,882.39/x
  3. Step 3: Cross multiply
    3,209.17x = 4,428.74 × 1,882.39
  4. Step 4: Simplify right side
    3,209.17x = 8,336,615.89
  5. Step 5: Solve for x
    x = 8,336,615.89/3,209.17
  6. Step 6: Final answer
    x = 2,597.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.