Home / 3,176.28-4,761.27-1,328.67

Finding the Fourth Proportional to 3,176.28, 4,761.27 and 1,328.67

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Solution

The fourth proportional to 3,176.28, 4,761.27 and 1,328.67 is: 1,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.28 : 4,761.27 = 1,328.67 : x
  2. Step 2: Convert to fraction form
    3,176.28/4,761.27 = 1,328.67/x
  3. Step 3: Cross multiply
    3,176.28x = 4,761.27 × 1,328.67
  4. Step 4: Simplify right side
    3,176.28x = 6,326,156.61
  5. Step 5: Solve for x
    x = 6,326,156.61/3,176.28
  6. Step 6: Final answer
    x = 1,991.69

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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.