Home / 2,758.60-4,137.90-2,703.93

Finding the Fourth Proportional to 2,758.60, 4,137.90 and 2,703.93

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Solution

The fourth proportional to 2,758.60, 4,137.90 and 2,703.93 is: 4,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.60 : 4,137.90 = 2,703.93 : x
  2. Step 2: Convert to fraction form
    2,758.60/4,137.90 = 2,703.93/x
  3. Step 3: Cross multiply
    2,758.60x = 4,137.90 × 2,703.93
  4. Step 4: Simplify right side
    2,758.60x = 11,188,591.95
  5. Step 5: Solve for x
    x = 11,188,591.95/2,758.60
  6. Step 6: Final answer
    x = 4,055.90

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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.