Home / 3,080.06-4,619.17-1,618.41

Finding the Fourth Proportional to 3,080.06, 4,619.17 and 1,618.41

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Solution

The fourth proportional to 3,080.06, 4,619.17 and 1,618.41 is: 2,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.06 : 4,619.17 = 1,618.41 : x
  2. Step 2: Convert to fraction form
    3,080.06/4,619.17 = 1,618.41/x
  3. Step 3: Cross multiply
    3,080.06x = 4,619.17 × 1,618.41
  4. Step 4: Simplify right side
    3,080.06x = 7,475,710.92
  5. Step 5: Solve for x
    x = 7,475,710.92/3,080.06
  6. Step 6: Final answer
    x = 2,427.13

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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.