Home / 3,312.39-4,966.92-2,080.69

Finding the Fourth Proportional to 3,312.39, 4,966.92 and 2,080.69

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Solution

The fourth proportional to 3,312.39, 4,966.92 and 2,080.69 is: 3,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.39 : 4,966.92 = 2,080.69 : x
  2. Step 2: Convert to fraction form
    3,312.39/4,966.92 = 2,080.69/x
  3. Step 3: Cross multiply
    3,312.39x = 4,966.92 × 2,080.69
  4. Step 4: Simplify right side
    3,312.39x = 10,334,608.36
  5. Step 5: Solve for x
    x = 10,334,608.36/3,312.39
  6. Step 6: Final answer
    x = 3,119.98

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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.