Home / 3,171.23-4,758.21-1,708.67

Finding the Fourth Proportional to 3,171.23, 4,758.21 and 1,708.67

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Solution

The fourth proportional to 3,171.23, 4,758.21 and 1,708.67 is: 2,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.23 : 4,758.21 = 1,708.67 : x
  2. Step 2: Convert to fraction form
    3,171.23/4,758.21 = 1,708.67/x
  3. Step 3: Cross multiply
    3,171.23x = 4,758.21 × 1,708.67
  4. Step 4: Simplify right side
    3,171.23x = 8,130,210.68
  5. Step 5: Solve for x
    x = 8,130,210.68/3,171.23
  6. Step 6: Final answer
    x = 2,563.74

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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.