Home / 2,799.96-4,199.40-1,340.88

Finding the Fourth Proportional to 2,799.96, 4,199.40 and 1,340.88

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Solution

The fourth proportional to 2,799.96, 4,199.40 and 1,340.88 is: 2,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.96 : 4,199.40 = 1,340.88 : x
  2. Step 2: Convert to fraction form
    2,799.96/4,199.40 = 1,340.88/x
  3. Step 3: Cross multiply
    2,799.96x = 4,199.40 × 1,340.88
  4. Step 4: Simplify right side
    2,799.96x = 5,630,891.47
  5. Step 5: Solve for x
    x = 5,630,891.47/2,799.96
  6. Step 6: Final answer
    x = 2,011.06

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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.