Home / 3,046.05-4,202.81-2,101.54

Finding the Fourth Proportional to 3,046.05, 4,202.81 and 2,101.54

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Solution

The fourth proportional to 3,046.05, 4,202.81 and 2,101.54 is: 2,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.05 : 4,202.81 = 2,101.54 : x
  2. Step 2: Convert to fraction form
    3,046.05/4,202.81 = 2,101.54/x
  3. Step 3: Cross multiply
    3,046.05x = 4,202.81 × 2,101.54
  4. Step 4: Simplify right side
    3,046.05x = 8,832,368.07
  5. Step 5: Solve for x
    x = 8,832,368.07/3,046.05
  6. Step 6: Final answer
    x = 2,899.61

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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.