Home / 3,080.58-4,618.98-1,231.35

Finding the Fourth Proportional to 3,080.58, 4,618.98 and 1,231.35

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Solution

The fourth proportional to 3,080.58, 4,618.98 and 1,231.35 is: 1,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.58 : 4,618.98 = 1,231.35 : x
  2. Step 2: Convert to fraction form
    3,080.58/4,618.98 = 1,231.35/x
  3. Step 3: Cross multiply
    3,080.58x = 4,618.98 × 1,231.35
  4. Step 4: Simplify right side
    3,080.58x = 5,687,581.02
  5. Step 5: Solve for x
    x = 5,687,581.02/3,080.58
  6. Step 6: Final answer
    x = 1,846.27

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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.