Home / 3,101.67-4,652.73-1,021.14

Finding the Fourth Proportional to 3,101.67, 4,652.73 and 1,021.14

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Solution

The fourth proportional to 3,101.67, 4,652.73 and 1,021.14 is: 1,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.67 : 4,652.73 = 1,021.14 : x
  2. Step 2: Convert to fraction form
    3,101.67/4,652.73 = 1,021.14/x
  3. Step 3: Cross multiply
    3,101.67x = 4,652.73 × 1,021.14
  4. Step 4: Simplify right side
    3,101.67x = 4,751,088.71
  5. Step 5: Solve for x
    x = 4,751,088.71/3,101.67
  6. Step 6: Final answer
    x = 1,531.78

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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.