Home / 3,209.87-4,427.96-2,031.62

Finding the Fourth Proportional to 3,209.87, 4,427.96 and 2,031.62

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Solution

The fourth proportional to 3,209.87, 4,427.96 and 2,031.62 is: 2,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.87 : 4,427.96 = 2,031.62 : x
  2. Step 2: Convert to fraction form
    3,209.87/4,427.96 = 2,031.62/x
  3. Step 3: Cross multiply
    3,209.87x = 4,427.96 × 2,031.62
  4. Step 4: Simplify right side
    3,209.87x = 8,995,924.70
  5. Step 5: Solve for x
    x = 8,995,924.70/3,209.87
  6. Step 6: Final answer
    x = 2,802.58

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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.