Home / 3,098.12-4,646.62-1,249.16

Finding the Fourth Proportional to 3,098.12, 4,646.62 and 1,249.16

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Solution

The fourth proportional to 3,098.12, 4,646.62 and 1,249.16 is: 1,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.12 : 4,646.62 = 1,249.16 : x
  2. Step 2: Convert to fraction form
    3,098.12/4,646.62 = 1,249.16/x
  3. Step 3: Cross multiply
    3,098.12x = 4,646.62 × 1,249.16
  4. Step 4: Simplify right side
    3,098.12x = 5,804,371.84
  5. Step 5: Solve for x
    x = 5,804,371.84/3,098.12
  6. Step 6: Final answer
    x = 1,873.51

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Double scale
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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.