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Finding the Fourth Proportional to 2,083.26, 3,124.65 and 622.29

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Solution

The fourth proportional to 2,083.26, 3,124.65 and 622.29 is: 933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.26 : 3,124.65 = 622.29 : x
  2. Step 2: Convert to fraction form
    2,083.26/3,124.65 = 622.29/x
  3. Step 3: Cross multiply
    2,083.26x = 3,124.65 × 622.29
  4. Step 4: Simplify right side
    2,083.26x = 1,944,438.45
  5. Step 5: Solve for x
    x = 1,944,438.45/2,083.26
  6. Step 6: Final answer
    x = 933.36

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1.5x scale

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.