Home / 3,079.38-4,249.44-1,682.10

Finding the Fourth Proportional to 3,079.38, 4,249.44 and 1,682.10

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Solution

The fourth proportional to 3,079.38, 4,249.44 and 1,682.10 is: 2,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.38 : 4,249.44 = 1,682.10 : x
  2. Step 2: Convert to fraction form
    3,079.38/4,249.44 = 1,682.10/x
  3. Step 3: Cross multiply
    3,079.38x = 4,249.44 × 1,682.10
  4. Step 4: Simplify right side
    3,079.38x = 7,147,983.02
  5. Step 5: Solve for x
    x = 7,147,983.02/3,079.38
  6. Step 6: Final answer
    x = 2,321.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,080.38, 4,250.82 and 1,683.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.