Home / 3,310.88-4,569-1,818.76

Finding the Fourth Proportional to 3,310.88, 4,569 and 1,818.76

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Solution

The fourth proportional to 3,310.88, 4,569 and 1,818.76 is: 2,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.88 : 4,569 = 1,818.76 : x
  2. Step 2: Convert to fraction form
    3,310.88/4,569 = 1,818.76/x
  3. Step 3: Cross multiply
    3,310.88x = 4,569 × 1,818.76
  4. Step 4: Simplify right side
    3,310.88x = 8,309,914.44
  5. Step 5: Solve for x
    x = 8,309,914.44/3,310.88
  6. Step 6: Final answer
    x = 2,509.88

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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.