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Finding the Fourth Proportional to 2,799.29, 4,199.84 and 951.58

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Solution

The fourth proportional to 2,799.29, 4,199.84 and 951.58 is: 1,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.29 : 4,199.84 = 951.58 : x
  2. Step 2: Convert to fraction form
    2,799.29/4,199.84 = 951.58/x
  3. Step 3: Cross multiply
    2,799.29x = 4,199.84 × 951.58
  4. Step 4: Simplify right side
    2,799.29x = 3,996,483.75
  5. Step 5: Solve for x
    x = 3,996,483.75/2,799.29
  6. Step 6: Final answer
    x = 1,427.68

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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.