Home / 3,080.35-4,621.13-999.96

Finding the Fourth Proportional to 3,080.35, 4,621.13 and 999.96

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Solution

The fourth proportional to 3,080.35, 4,621.13 and 999.96 is: 1,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.35 : 4,621.13 = 999.96 : x
  2. Step 2: Convert to fraction form
    3,080.35/4,621.13 = 999.96/x
  3. Step 3: Cross multiply
    3,080.35x = 4,621.13 × 999.96
  4. Step 4: Simplify right side
    3,080.35x = 4,620,940.16
  5. Step 5: Solve for x
    x = 4,620,940.16/3,080.35
  6. Step 6: Final answer
    x = 1,500.14

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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.