Home / 3,101.12-4,652.41-1,021.29

Finding the Fourth Proportional to 3,101.12, 4,652.41 and 1,021.29

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Solution

The fourth proportional to 3,101.12, 4,652.41 and 1,021.29 is: 1,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.12 : 4,652.41 = 1,021.29 : x
  2. Step 2: Convert to fraction form
    3,101.12/4,652.41 = 1,021.29/x
  3. Step 3: Cross multiply
    3,101.12x = 4,652.41 × 1,021.29
  4. Step 4: Simplify right side
    3,101.12x = 4,751,459.81
  5. Step 5: Solve for x
    x = 4,751,459.81/3,101.12
  6. Step 6: Final answer
    x = 1,532.18

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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.