Home / 3,310.68-4,568.76-1,818.72

Finding the Fourth Proportional to 3,310.68, 4,568.76 and 1,818.72

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Solution

The fourth proportional to 3,310.68, 4,568.76 and 1,818.72 is: 2,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.68 : 4,568.76 = 1,818.72 : x
  2. Step 2: Convert to fraction form
    3,310.68/4,568.76 = 1,818.72/x
  3. Step 3: Cross multiply
    3,310.68x = 4,568.76 × 1,818.72
  4. Step 4: Simplify right side
    3,310.68x = 8,309,295.19
  5. Step 5: Solve for x
    x = 8,309,295.19/3,310.68
  6. Step 6: Final answer
    x = 2,509.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.