Home / 3,171.40-4,750.98-1,708.54

Finding the Fourth Proportional to 3,171.40, 4,750.98 and 1,708.54

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Solution

The fourth proportional to 3,171.40, 4,750.98 and 1,708.54 is: 2,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.40 : 4,750.98 = 1,708.54 : x
  2. Step 2: Convert to fraction form
    3,171.40/4,750.98 = 1,708.54/x
  3. Step 3: Cross multiply
    3,171.40x = 4,750.98 × 1,708.54
  4. Step 4: Simplify right side
    3,171.40x = 8,117,239.37
  5. Step 5: Solve for x
    x = 8,117,239.37/3,171.40
  6. Step 6: Final answer
    x = 2,559.51

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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.