Home / 3,447.78-5,171.56-2,051.77

Finding the Fourth Proportional to 3,447.78, 5,171.56 and 2,051.77

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Solution

The fourth proportional to 3,447.78, 5,171.56 and 2,051.77 is: 3,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.78 : 5,171.56 = 2,051.77 : x
  2. Step 2: Convert to fraction form
    3,447.78/5,171.56 = 2,051.77/x
  3. Step 3: Cross multiply
    3,447.78x = 5,171.56 × 2,051.77
  4. Step 4: Simplify right side
    3,447.78x = 10,610,833.60
  5. Step 5: Solve for x
    x = 10,610,833.60/3,447.78
  6. Step 6: Final answer
    x = 3,077.58

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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.