Home / 2,799.49-4,202.09-2,310.98

Finding the Fourth Proportional to 2,799.49, 4,202.09 and 2,310.98

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Solution

The fourth proportional to 2,799.49, 4,202.09 and 2,310.98 is: 3,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.49 : 4,202.09 = 2,310.98 : x
  2. Step 2: Convert to fraction form
    2,799.49/4,202.09 = 2,310.98/x
  3. Step 3: Cross multiply
    2,799.49x = 4,202.09 × 2,310.98
  4. Step 4: Simplify right side
    2,799.49x = 9,710,958.69
  5. Step 5: Solve for x
    x = 9,710,958.69/2,799.49
  6. Step 6: Final answer
    x = 3,468.84

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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.