Home / 3,102.23-4,652.40-1,021.81

Finding the Fourth Proportional to 3,102.23, 4,652.40 and 1,021.81

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Solution

The fourth proportional to 3,102.23, 4,652.40 and 1,021.81 is: 1,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.23 : 4,652.40 = 1,021.81 : x
  2. Step 2: Convert to fraction form
    3,102.23/4,652.40 = 1,021.81/x
  3. Step 3: Cross multiply
    3,102.23x = 4,652.40 × 1,021.81
  4. Step 4: Simplify right side
    3,102.23x = 4,753,863.73
  5. Step 5: Solve for x
    x = 4,753,863.73/3,102.23
  6. Step 6: Final answer
    x = 1,532.40

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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.