Home / 2,799.90-4,199.76-1,155.96

Finding the Fourth Proportional to 2,799.90, 4,199.76 and 1,155.96

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Solution

The fourth proportional to 2,799.90, 4,199.76 and 1,155.96 is: 1,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.90 : 4,199.76 = 1,155.96 : x
  2. Step 2: Convert to fraction form
    2,799.90/4,199.76 = 1,155.96/x
  3. Step 3: Cross multiply
    2,799.90x = 4,199.76 × 1,155.96
  4. Step 4: Simplify right side
    2,799.90x = 4,854,754.57
  5. Step 5: Solve for x
    x = 4,854,754.57/2,799.90
  6. Step 6: Final answer
    x = 1,733.90

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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.