Home / 3,171.77-4,750.47-1,529.49

Finding the Fourth Proportional to 3,171.77, 4,750.47 and 1,529.49

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Solution

The fourth proportional to 3,171.77, 4,750.47 and 1,529.49 is: 2,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.77 : 4,750.47 = 1,529.49 : x
  2. Step 2: Convert to fraction form
    3,171.77/4,750.47 = 1,529.49/x
  3. Step 3: Cross multiply
    3,171.77x = 4,750.47 × 1,529.49
  4. Step 4: Simplify right side
    3,171.77x = 7,265,796.36
  5. Step 5: Solve for x
    x = 7,265,796.36/3,171.77
  6. Step 6: Final answer
    x = 2,290.77

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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.