Home / 2,799.77-4,199.85-1,156.41

Finding the Fourth Proportional to 2,799.77, 4,199.85 and 1,156.41

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Solution

The fourth proportional to 2,799.77, 4,199.85 and 1,156.41 is: 1,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.77 : 4,199.85 = 1,156.41 : x
  2. Step 2: Convert to fraction form
    2,799.77/4,199.85 = 1,156.41/x
  3. Step 3: Cross multiply
    2,799.77x = 4,199.85 × 1,156.41
  4. Step 4: Simplify right side
    2,799.77x = 4,856,748.54
  5. Step 5: Solve for x
    x = 4,856,748.54/2,799.77
  6. Step 6: Final answer
    x = 1,734.70

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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.