Home / 3,080.46-4,618.26-1,436.78

Finding the Fourth Proportional to 3,080.46, 4,618.26 and 1,436.78

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Solution

The fourth proportional to 3,080.46, 4,618.26 and 1,436.78 is: 2,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.46 : 4,618.26 = 1,436.78 : x
  2. Step 2: Convert to fraction form
    3,080.46/4,618.26 = 1,436.78/x
  3. Step 3: Cross multiply
    3,080.46x = 4,618.26 × 1,436.78
  4. Step 4: Simplify right side
    3,080.46x = 6,635,423.60
  5. Step 5: Solve for x
    x = 6,635,423.60/3,080.46
  6. Step 6: Final answer
    x = 2,154.04

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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.