Home / 2,021.34-3,032.62-926.63

Finding the Fourth Proportional to 2,021.34, 3,032.62 and 926.63

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Solution

The fourth proportional to 2,021.34, 3,032.62 and 926.63 is: 1,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.34 : 3,032.62 = 926.63 : x
  2. Step 2: Convert to fraction form
    2,021.34/3,032.62 = 926.63/x
  3. Step 3: Cross multiply
    2,021.34x = 3,032.62 × 926.63
  4. Step 4: Simplify right side
    2,021.34x = 2,810,116.67
  5. Step 5: Solve for x
    x = 2,810,116.67/2,021.34
  6. Step 6: Final answer
    x = 1,390.22

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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.