Home / 2,799.97-4,199.60-1,156.30

Finding the Fourth Proportional to 2,799.97, 4,199.60 and 1,156.30

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Solution

The fourth proportional to 2,799.97, 4,199.60 and 1,156.30 is: 1,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.97 : 4,199.60 = 1,156.30 : x
  2. Step 2: Convert to fraction form
    2,799.97/4,199.60 = 1,156.30/x
  3. Step 3: Cross multiply
    2,799.97x = 4,199.60 × 1,156.30
  4. Step 4: Simplify right side
    2,799.97x = 4,855,989.87
  5. Step 5: Solve for x
    x = 4,855,989.87/2,799.97
  6. Step 6: Final answer
    x = 1,734.30

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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.