Home / 2,799.14-4,200.60-1,155.66

Finding the Fourth Proportional to 2,799.14, 4,200.60 and 1,155.66

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Solution

The fourth proportional to 2,799.14, 4,200.60 and 1,155.66 is: 1,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.14 : 4,200.60 = 1,155.66 : x
  2. Step 2: Convert to fraction form
    2,799.14/4,200.60 = 1,155.66/x
  3. Step 3: Cross multiply
    2,799.14x = 4,200.60 × 1,155.66
  4. Step 4: Simplify right side
    2,799.14x = 4,854,465.40
  5. Step 5: Solve for x
    x = 4,854,465.40/2,799.14
  6. Step 6: Final answer
    x = 1,734.27

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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.