Home / 2,799.35-3,863.01-1,604.30

Finding the Fourth Proportional to 2,799.35, 3,863.01 and 1,604.30

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Solution

The fourth proportional to 2,799.35, 3,863.01 and 1,604.30 is: 2,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.35 : 3,863.01 = 1,604.30 : x
  2. Step 2: Convert to fraction form
    2,799.35/3,863.01 = 1,604.30/x
  3. Step 3: Cross multiply
    2,799.35x = 3,863.01 × 1,604.30
  4. Step 4: Simplify right side
    2,799.35x = 6,197,407.63
  5. Step 5: Solve for x
    x = 6,197,407.63/2,799.35
  6. Step 6: Final answer
    x = 2,213.88

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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.