Home / 3,079.26-4,620.24-1,618.06

Finding the Fourth Proportional to 3,079.26, 4,620.24 and 1,618.06

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Solution

The fourth proportional to 3,079.26, 4,620.24 and 1,618.06 is: 2,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.26 : 4,620.24 = 1,618.06 : x
  2. Step 2: Convert to fraction form
    3,079.26/4,620.24 = 1,618.06/x
  3. Step 3: Cross multiply
    3,079.26x = 4,620.24 × 1,618.06
  4. Step 4: Simplify right side
    3,079.26x = 7,475,825.53
  5. Step 5: Solve for x
    x = 7,475,825.53/3,079.26
  6. Step 6: Final answer
    x = 2,427.80

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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.