Home / 3,609.39-5,416.38-1,966.98

Finding the Fourth Proportional to 3,609.39, 5,416.38 and 1,966.98

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Solution

The fourth proportional to 3,609.39, 5,416.38 and 1,966.98 is: 2,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.39 : 5,416.38 = 1,966.98 : x
  2. Step 2: Convert to fraction form
    3,609.39/5,416.38 = 1,966.98/x
  3. Step 3: Cross multiply
    3,609.39x = 5,416.38 × 1,966.98
  4. Step 4: Simplify right side
    3,609.39x = 10,653,911.13
  5. Step 5: Solve for x
    x = 10,653,911.13/3,609.39
  6. Step 6: Final answer
    x = 2,951.72

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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.