Home / 3,415.83-5,115.52-1,950.54

Finding the Fourth Proportional to 3,415.83, 5,115.52 and 1,950.54

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Solution

The fourth proportional to 3,415.83, 5,115.52 and 1,950.54 is: 2,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.83 : 5,115.52 = 1,950.54 : x
  2. Step 2: Convert to fraction form
    3,415.83/5,115.52 = 1,950.54/x
  3. Step 3: Cross multiply
    3,415.83x = 5,115.52 × 1,950.54
  4. Step 4: Simplify right side
    3,415.83x = 9,978,026.38
  5. Step 5: Solve for x
    x = 9,978,026.38/3,415.83
  6. Step 6: Final answer
    x = 2,921.11

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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.