Home / 3,080.80-4,621.28-1,132.64

Finding the Fourth Proportional to 3,080.80, 4,621.28 and 1,132.64

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Solution

The fourth proportional to 3,080.80, 4,621.28 and 1,132.64 is: 1,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.80 : 4,621.28 = 1,132.64 : x
  2. Step 2: Convert to fraction form
    3,080.80/4,621.28 = 1,132.64/x
  3. Step 3: Cross multiply
    3,080.80x = 4,621.28 × 1,132.64
  4. Step 4: Simplify right side
    3,080.80x = 5,234,246.58
  5. Step 5: Solve for x
    x = 5,234,246.58/3,080.80
  6. Step 6: Final answer
    x = 1,698.99

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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.